remove more rtl::OUString and OString prefixes

which seem to have snuck back in since the great rounds of removals.

Change-Id: I85f7f5f4801c0b48dae8b50f51f83595b286d6a1
Reviewed-on: https://gerrit.libreoffice.org/62229
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

19 files changed, 197 insertions, 208 deletions

diff --git a/cppu/qa/cppumaker/test_cppumaker.cxx b/cppu/qa/cppumaker/test_cppumaker.cxx
index c95c61a905b3..e73a502333f8 100644
--- a/cppu/qa/cppumaker/test_cppumaker.cxx
+++ b/cppu/qa/cppumaker/test_cppumaker.cxx
@@ -472,7 +472,7 @@ void Test::testBigStruct() {
 
 void Test::testPolyStruct() {
     CPPUNIT_ASSERT_EQUAL(
-        rtl::OUString(
+        OUString(
                 "test.codemaker.cppumaker.Struct<char,short>"),
         (css::uno::makeAny(
             test::codemaker::cppumaker::Struct< sal_Unicode, sal_Int16 >()).
diff --git a/cppu/qa/test_any.cxx b/cppu/qa/test_any.cxx
index 1ee826387191..7787176ffd3b 100644
--- a/cppu/qa/test_any.cxx
+++ b/cppu/qa/test_any.cxx
@@ -289,9 +289,9 @@ void Test::testVoid() {
         CPPUNIT_ASSERT_EQUAL_MESSAGE("sal_Unicode", u'2', b);
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) );
-        CPPUNIT_ASSERT_EQUAL_MESSAGE( "rtl::OUString", OUString("2"), b );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) );
+        CPPUNIT_ASSERT_EQUAL_MESSAGE( "OUString", OUString("2"), b );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -303,11 +303,11 @@ void Test::testVoid() {
             cppu::UnoType<OUString>::get(), b);
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>", !(a >>= b));
+            "css::uno::Sequence<OUString>", !(a >>= b));
         CPPUNIT_ASSERT_EQUAL_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>", sal_Int32(2), b.getLength());
+            "css::uno::Sequence<OUString>", sal_Int32(2), b.getLength());
     }
     {
         Enum1 b = Enum1_M2;
@@ -321,7 +321,7 @@ void Test::testVoid() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b));
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Exception1", sal_Int32(2), b.member);
     }
@@ -397,9 +397,9 @@ void Test::testBoolean() {
         CPPUNIT_ASSERT_EQUAL_MESSAGE("sal_Unicode", u'2', b);
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) );
-        CPPUNIT_ASSERT_EQUAL_MESSAGE( "rtl::OUString", OUString("2"), b );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) );
+        CPPUNIT_ASSERT_EQUAL_MESSAGE( "OUString", OUString("2"), b );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -411,12 +411,12 @@ void Test::testBoolean() {
             cppu::UnoType<OUString>::get(), b);
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b));
         CPPUNIT_ASSERT_EQUAL_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             sal_Int32(2), b.getLength());
     }
     {
@@ -431,7 +431,7 @@ void Test::testBoolean() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b));
         CPPUNIT_ASSERT_EQUAL_MESSAGE("Exception1", sal_Int32(2), b.member);
     }
@@ -502,8 +502,8 @@ void Test::testByte() {
         }
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -512,9 +512,9 @@ void Test::testByte() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -527,7 +527,7 @@ void Test::testByte() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -593,8 +593,8 @@ void Test::testShort() {
         }
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -603,9 +603,9 @@ void Test::testShort() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -618,7 +618,7 @@ void Test::testShort() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -686,8 +686,8 @@ void Test::testUnsignedShort() {
         }
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -696,9 +696,9 @@ void Test::testUnsignedShort() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -711,7 +711,7 @@ void Test::testUnsignedShort() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -773,8 +773,8 @@ void Test::testLong() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -783,9 +783,9 @@ void Test::testLong() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -798,7 +798,7 @@ void Test::testLong() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -860,8 +860,8 @@ void Test::testUnsignedLong() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -870,9 +870,9 @@ void Test::testUnsignedLong() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -885,7 +885,7 @@ void Test::testUnsignedLong() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -947,8 +947,8 @@ void Test::testHyper() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -957,9 +957,9 @@ void Test::testHyper() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -972,7 +972,7 @@ void Test::testHyper() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1034,8 +1034,8 @@ void Test::testUnsignedHyper() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1044,9 +1044,9 @@ void Test::testUnsignedHyper() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1059,7 +1059,7 @@ void Test::testUnsignedHyper() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1121,8 +1121,8 @@ void Test::testFloat() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1131,9 +1131,9 @@ void Test::testFloat() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1146,7 +1146,7 @@ void Test::testFloat() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1208,8 +1208,8 @@ void Test::testDouble() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1218,9 +1218,9 @@ void Test::testDouble() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1233,7 +1233,7 @@ void Test::testDouble() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1300,8 +1300,8 @@ void Test::testChar() {
         }
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1310,9 +1310,9 @@ void Test::testChar() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1325,7 +1325,7 @@ void Test::testChar() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1336,7 +1336,7 @@ void Test::testChar() {
 }
 
 void Test::testString() {
-    css::uno::Any a(rtl::OUString("1"));
+    css::uno::Any a(OUString("1"));
     CPPUNIT_ASSERT(bool(a.getValueType() == cppu::UnoType<OUString>::get()));
     {
         bool b = true;
@@ -1387,8 +1387,8 @@ void Test::testString() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", (a >>= b) && b == "1" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", (a >>= b) && b == "1" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1397,9 +1397,9 @@ void Test::testString() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1412,7 +1412,7 @@ void Test::testString() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1474,8 +1474,8 @@ void Test::testType() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1483,9 +1483,9 @@ void Test::testType() {
             "css::uno::Type", (a >>= b) && b == cppu::UnoType<sal_Int32>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1498,7 +1498,7 @@ void Test::testType() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1563,8 +1563,8 @@ void Test::testSequence() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1573,9 +1573,9 @@ void Test::testSequence() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1594,7 +1594,7 @@ void Test::testSequence() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1656,8 +1656,8 @@ void Test::testEnum() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1666,9 +1666,9 @@ void Test::testEnum() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1685,7 +1685,7 @@ void Test::testEnum() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1747,8 +1747,8 @@ void Test::testStruct() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1757,9 +1757,9 @@ void Test::testStruct() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1785,7 +1785,7 @@ void Test::testStruct() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -1807,7 +1807,7 @@ void Test::testPoly() {
 void Test::testException() {
     css::uno::Any a(
         Exception2a(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 1,
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 1,
             3));
     CPPUNIT_ASSERT(bool(a.getValueType() == cppu::UnoType<Exception2a>::get()));
     {
@@ -1859,8 +1859,8 @@ void Test::testException() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1869,9 +1869,9 @@ void Test::testException() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1884,24 +1884,24 @@ void Test::testException() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
         Exception2 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception2", (a >>= b) && b.member == 1);
     }
     {
         Exception2a b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2,
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2,
             2);
         CPPUNIT_ASSERT_MESSAGE(
             "Exception2a", (a >>= b) && b.member == 1 && b.member2 == 3);
     }
     {
         Exception2b b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2,
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2,
             2);
         CPPUNIT_ASSERT_MESSAGE("Exception2b", !(a >>= b) && b.member == 2);
     }
@@ -1965,8 +1965,8 @@ void Test::testInterface() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -1975,9 +1975,9 @@ void Test::testInterface() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -1990,7 +1990,7 @@ void Test::testInterface() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
@@ -2069,8 +2069,8 @@ void Test::testNull() {
         CPPUNIT_ASSERT_MESSAGE("sal_Unicode", !(a >>= b) && b == '2');
     }
     {
-        rtl::OUString b("2");
-        CPPUNIT_ASSERT_MESSAGE( "rtl::OUString", !(a >>= b) && b == "2" );
+        OUString b("2");
+        CPPUNIT_ASSERT_MESSAGE( "OUString", !(a >>= b) && b == "2" );
     }
     {
         css::uno::Type b(cppu::UnoType<OUString>::get());
@@ -2079,9 +2079,9 @@ void Test::testNull() {
             !(a >>= b) && b == cppu::UnoType<OUString>::get());
     }
     {
-        css::uno::Sequence< rtl::OUString > b(2);
+        css::uno::Sequence< OUString > b(2);
         CPPUNIT_ASSERT_MESSAGE(
-            "css::uno::Sequence<rtl::OUString>",
+            "css::uno::Sequence<OUString>",
             !(a >>= b) && b.getLength() == 2);
     }
     {
@@ -2094,7 +2094,7 @@ void Test::testNull() {
     }
     {
         Exception1 b(
-            rtl::OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
+            OUString(), css::uno::Reference< css::uno::XInterface >(), 2);
         CPPUNIT_ASSERT_MESSAGE("Exception1", !(a >>= b) && b.member == 2);
     }
     {
diff --git a/cppu/source/AffineBridge/AffineBridge.cxx b/cppu/source/AffineBridge/AffineBridge.cxx
index 2a14b3c890d8..1e2a45ac84cf 100644
--- a/cppu/source/AffineBridge/AffineBridge.cxx
+++ b/cppu/source/AffineBridge/AffineBridge.cxx
@@ -66,7 +66,7 @@ public:
     virtual void  v_enter() override;
     virtual void  v_leave() override;
 
-    virtual bool v_isValid(rtl::OUString * pReason) override;
+    virtual bool v_isValid(OUString * pReason) override;
 
     void innerDispatch();
     void outerDispatch(bool loop);
@@ -311,7 +311,7 @@ void AffineBridge::v_leave()
     m_innerMutex.release();
 }
 
-bool AffineBridge::v_isValid(rtl::OUString * pReason)
+bool AffineBridge::v_isValid(OUString * pReason)
 {
     bool result = m_enterCount > 0;
     if (!result)
diff --git a/cppu/source/LogBridge/LogBridge.cxx b/cppu/source/LogBridge/LogBridge.cxx
index da8b1e64e702..4d7b922e50ce 100644
--- a/cppu/source/LogBridge/LogBridge.cxx
+++ b/cppu/source/LogBridge/LogBridge.cxx
@@ -51,7 +51,7 @@ public:
     virtual void v_enter() override;
     virtual void v_leave() override;
 
-    virtual bool v_isValid(rtl::OUString * pReason) override;
+    virtual bool v_isValid(OUString * pReason) override;
 };
 
 LogBridge::LogBridge()
@@ -108,7 +108,7 @@ void LogBridge::v_leave()
     m_mutex.release();
 }
 
-bool LogBridge::v_isValid(rtl::OUString * pReason)
+bool LogBridge::v_isValid(OUString * pReason)
 {
     bool result = m_count > 0;
     if (!result)
@@ -134,7 +134,7 @@ bool LogBridge::v_isValid(rtl::OUString * pReason)
         switch(_pTypeRef->eTypeClass)
         {
             case typelib_TypeClass_STRING:
-                SAL_INFO("cppu.log", "" << *static_cast< ::rtl::OUString*>(pArg));
+                SAL_INFO("cppu.log", "" << *static_cast< OUString*>(pArg));
                 break;
             case typelib_TypeClass_BOOLEAN:
                SAL_INFO("cppu.log", "" << *static_cast<sal_Bool*>(pArg));
@@ -201,9 +201,9 @@ static void LogProbe(
     void                              * pArgs[],
     uno_Any                          ** ppException )
 {
-    ::rtl::OString sTemp;
+    OString sTemp;
     if ( pMemberType && pMemberType->pTypeName )
-        sTemp = ::rtl::OUStringToOString(pMemberType->pTypeName,RTL_TEXTENCODING_ASCII_US);
+        sTemp = OUStringToOString(pMemberType->pTypeName,RTL_TEXTENCODING_ASCII_US);
     if ( pre  )
     {
         SAL_INFO("cppu.log", "{ LogBridge () " << sTemp );
diff --git a/cppu/source/UnsafeBridge/UnsafeBridge.cxx b/cppu/source/UnsafeBridge/UnsafeBridge.cxx
index 892390b7a263..7cf945d44391 100644
--- a/cppu/source/UnsafeBridge/UnsafeBridge.cxx
+++ b/cppu/source/UnsafeBridge/UnsafeBridge.cxx
@@ -43,7 +43,7 @@ public:
     virtual void v_enter() override;
     virtual void v_leave() override;
 
-    virtual bool v_isValid(rtl::OUString * pReason) override;
+    virtual bool v_isValid(OUString * pReason) override;
 };
 
 UnsafeBridge::UnsafeBridge()
@@ -103,7 +103,7 @@ void UnsafeBridge::v_leave()
     m_mutex.release();
 }
 
-bool UnsafeBridge::v_isValid(rtl::OUString * pReason)
+bool UnsafeBridge::v_isValid(OUString * pReason)
 {
     bool result = m_count > 0;
     if (!result)
diff --git a/cppu/source/helper/purpenv/Proxy.hxx b/cppu/source/helper/purpenv/Proxy.hxx
index f53702ef93d3..6f99ee7d42be 100644
--- a/cppu/source/helper/purpenv/Proxy.hxx
+++ b/cppu/source/helper/purpenv/Proxy.hxx
@@ -42,7 +42,7 @@ class Proxy : public uno_Interface
     // mapping information
     uno_Interface                    *  m_pUnoI; // wrapped interface
     typelib_InterfaceTypeDescription *  m_pTypeDescr;
-    rtl::OUString                       m_aOId;
+    OUString                            m_aOId;
 
     cppu::helper::purpenv::ProbeFun   * m_probeFun;
     void                              * m_pProbeContext;
@@ -53,7 +53,7 @@ public:
                    uno_Environment                        * pFrom,
                    uno_Interface                          * pUnoI,
                    typelib_InterfaceTypeDescription       * pTypeDescr,
-                   rtl::OUString                    const & rOId,
+                   OUString                         const & rOId,
                    cppu::helper::purpenv::ProbeFun        * probeFun,
                    void                                   * pProbeContext);
     ~Proxy();
diff --git a/cppu/source/helper/purpenv/helper_purpenv_Environment.cxx b/cppu/source/helper/purpenv/helper_purpenv_Environment.cxx
index 9bead78d0ce0..ceeee6eb0deb 100644
--- a/cppu/source/helper/purpenv/helper_purpenv_Environment.cxx
+++ b/cppu/source/helper/purpenv/helper_purpenv_Environment.cxx
@@ -72,19 +72,19 @@ public:
 
     void registerProxyInterface (void                                  ** ppProxy,
                                  uno_freeProxyFunc                        freeProxy,
-                                 rtl::OUString                    const & oid,
+                                 OUString                         const & oid,
                                  typelib_InterfaceTypeDescription       * pTypeDescr);
     void revokeInterface        (void                                   * pInterface);
     void getObjectIdentifier    (void                                   * pInterface,
-                                 rtl::OUString                          * pOid);
+                                 OUString                               * pOid);
     void getRegisteredInterface (void                                  **,
-                                 rtl::OUString                    const & oid,
+                                 OUString                    const & oid,
                                  typelib_InterfaceTypeDescription       *);
     void getRegisteredInterfaces(void                                 ***,
                                  sal_Int32                              * pnLen,
                                  uno_memAlloc                             memAlloc);
     void computeObjectIdentifier(void                                   * pInterface,
-                                 rtl::OUString                          * pOid);
+                                 OUString                               * pOid);
     void acquireInterface       (void                                   * pInterface);
     void releaseInterface       (void                                   * pInterface);
 
@@ -92,7 +92,7 @@ public:
     virtual void v_leave() override;
     virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) override;
     virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) override;
-    virtual bool v_isValid   (rtl::OUString * pReason) override;
+    virtual bool v_isValid   (OUString * pReason) override;
 
 protected:
     oslInterlockedCount    m_nRef;
@@ -170,7 +170,7 @@ static void s_getObjectIdentifier(uno_ExtEnvironment *  pExtEnv,
                                                       void               *  pInterface)
 {
     Base * pBase = static_cast<Base *>(pExtEnv->aBase.pReserved);
-    pBase->getObjectIdentifier(pInterface, reinterpret_cast<rtl::OUString *>(ppOId));
+    pBase->getObjectIdentifier(pInterface, reinterpret_cast<OUString *>(ppOId));
 }
 
 static void s_getRegisteredInterface(uno_ExtEnvironment *  pExtEnv,
@@ -196,7 +196,7 @@ static void s_computeObjectIdentifier(uno_ExtEnvironment *  pExtEnv,
                                                           void               *  pInterface)
 {
     Base * pBase = static_cast<Base *>(pExtEnv->aBase.pReserved);
-    pBase->computeObjectIdentifier(pInterface, reinterpret_cast<rtl::OUString *>(ppOId));
+    pBase->computeObjectIdentifier(pInterface, reinterpret_cast<OUString *>(ppOId));
 }
 
 static void s_acquireInterface(uno_ExtEnvironment * pExtEnv, void * pInterface) {
@@ -317,7 +317,7 @@ extern "C" { static void s_registerProxyInterface_v(va_list * pParam)
 
 void Base::registerProxyInterface(void                                  ** ppProxy,
                                   uno_freeProxyFunc                        freeProxy,
-                                  rtl::OUString                    const & oid,
+                                  OUString                         const & oid,
                                   typelib_InterfaceTypeDescription       * pTypeDescr)
 {
      uno_Environment_invoke(m_pEnv,
@@ -354,14 +354,14 @@ extern "C" { static void s_getObjectIdentifier_v(va_list * pParam)
 {
     uno_ExtEnvironment * pExtEnv    = va_arg(*pParam, uno_ExtEnvironment *);
     void               * pInterface = va_arg(*pParam, void *);
-    rtl::OUString      * pOId       = va_arg(*pParam, rtl::OUString *);
+    OUString      * pOId       = va_arg(*pParam, OUString *);
     ExtEnv_getObjectIdentifier * pGetObjectIdentifier
         = va_arg(*pParam, ExtEnv_getObjectIdentifier *);
 
     pGetObjectIdentifier(pExtEnv, reinterpret_cast<rtl_uString **>(pOId), pInterface);
 }}
 
-void Base::getObjectIdentifier(void * pInterface, rtl::OUString * pOid)
+void Base::getObjectIdentifier(void * pInterface, OUString * pOid)
 {
      uno_Environment_invoke(m_pEnv,
                            s_getObjectIdentifier_v,
@@ -385,7 +385,7 @@ extern "C" { static void s_getRegisteredInterface_v(va_list * pParam)
 }}
 
 void Base::getRegisteredInterface(void ** ppInterface,
-                                  rtl::OUString const & oid,
+                                  OUString const & oid,
                                   typelib_InterfaceTypeDescription * pTypeDescr)
 {
      uno_Environment_invoke(m_pEnv,
@@ -428,14 +428,14 @@ extern "C" { static void s_computeObjectIdentifier_v(va_list * pParam)
 {
     uno_ExtEnvironment * pExtEnv    = va_arg(*pParam, uno_ExtEnvironment *);
     void               * pInterface = va_arg(*pParam, void *);
-    rtl::OUString      * pOId       = va_arg(*pParam, rtl::OUString *);
+    OUString      * pOId       = va_arg(*pParam, OUString *);
     ExtEnv_computeObjectIdentifier * pComputeObjectIdentifier
         = va_arg(*pParam, ExtEnv_computeObjectIdentifier *);
 
     pComputeObjectIdentifier(pExtEnv, reinterpret_cast<rtl_uString **>(pOId), pInterface);
 }}
 
-void Base::computeObjectIdentifier(void * pInterface, rtl::OUString * pOid)
+void Base::computeObjectIdentifier(void * pInterface, OUString * pOid)
 {
      uno_Environment_invoke(m_pEnv,
                            s_computeObjectIdentifier_v,
@@ -501,7 +501,7 @@ void Base::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
     m_pEnterable->callOut_v(pCallee, pParam);
 }
 
-bool Base::v_isValid(rtl::OUString * pReason)
+bool Base::v_isValid(OUString * pReason)
 {
     return m_pEnterable->isValid(pReason);
 }
diff --git a/cppu/source/helper/purpenv/helper_purpenv_Proxy.cxx b/cppu/source/helper/purpenv/helper_purpenv_Proxy.cxx
index 7ee3a4dadb0d..a781ff1d7796 100644
--- a/cppu/source/helper/purpenv/helper_purpenv_Proxy.cxx
+++ b/cppu/source/helper/purpenv/helper_purpenv_Proxy.cxx
@@ -195,7 +195,7 @@ Proxy::Proxy(uno::Mapping                  const & to_from,
              uno_Environment                     * pFrom,
              uno_Interface                       * pUnoI,
              typelib_InterfaceTypeDescription    * pTypeDescr,
-             rtl::OUString                 const & rOId,
+             OUString                      const & rOId,
              cppu::helper::purpenv::ProbeFun     * probeFun,
              void                                * pProbeContext
 )
diff --git a/cppu/source/threadpool/current.cxx b/cppu/source/threadpool/current.cxx
index b5c839b193cd..ed8891fabf8f 100644
--- a/cppu/source/threadpool/current.cxx
+++ b/cppu/source/threadpool/current.cxx
@@ -239,7 +239,7 @@ extern "C" sal_Bool SAL_CALL uno_getCurrentContext(
     // release inout parameter
     if (*ppCurrentContext)
     {
-        target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext);
+        target_env = Environment(OUString(pEnvTypeName), pEnvContext);
         OSL_ASSERT( target_env.is() );
         if (! target_env.is())
             return false;
@@ -258,7 +258,7 @@ extern "C" sal_Bool SAL_CALL uno_getCurrentContext(
 
     if (! target_env.is())
     {
-        target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext);
+        target_env = Environment(OUString(pEnvTypeName), pEnvContext);
         OSL_ASSERT( target_env.is() );
         if (! target_env.is())
             return false;
diff --git a/cppu/source/typelib/static_types.cxx b/cppu/source/typelib/static_types.cxx
index fe16b365b7f3..2ccac42f5df1 100644
--- a/cppu/source/typelib/static_types.cxx
+++ b/cppu/source/typelib/static_types.cxx
@@ -35,9 +35,6 @@
 
 using namespace osl;
 
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-
 extern "C"
 {
 
diff --git a/cppu/source/typelib/typelib.cxx b/cppu/source/typelib/typelib.cxx
index 1c8f17761cb8..ccfe85c9abe7 100644
--- a/cppu/source/typelib/typelib.cxx
+++ b/cppu/source/typelib/typelib.cxx
@@ -44,10 +44,6 @@
 using namespace std;
 using namespace osl;
 
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
-using ::rtl::OString;
-
 #ifdef _WIN32
 #pragma pack(push, 8)
 #endif
@@ -292,7 +288,7 @@ TypeDescriptor_Init_Impl::~TypeDescriptor_Init_Impl()
             typelib_TypeDescriptionReference * pTDR = (*aIt).second;
             if (pTDR)
             {
-                OString aTypeName( rtl::OUStringToOString( pTDR->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
+                OString aTypeName( OUStringToOString( pTDR->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
                 SAL_INFO("cppu.typelib", "remaining type: " << aTypeName << "; ref count = " << pTDR->nRefCount);
             }
             else
@@ -749,7 +745,7 @@ void newTypeDescription(
                 pTmp->ppTypeRefs = new typelib_TypeDescriptionReference *[ nMembers ];
                 pTmp->ppMemberNames = new rtl_uString *[ nMembers ];
                 bool polymorphic = eTypeClass == typelib_TypeClass_STRUCT
-                    && rtl::OUString::unacquired(&pTypeName).indexOf('<') >= 0;
+                    && OUString::unacquired(&pTypeName).indexOf('<') >= 0;
                 OSL_ASSERT(!polymorphic || pStructMembers != nullptr);
                 if (polymorphic) {
                     reinterpret_cast< typelib_StructTypeDescription * >(pTmp)->
@@ -915,7 +911,7 @@ public:
     sal_Int32 getBaseMembers() const { return members; }
 
 private:
-    typedef std::set< rtl::OUString > Set;
+    typedef std::set< OUString > Set;
 
     void calculate(
         sal_Int32 directBaseIndex, Set & directBaseSet,
@@ -1035,14 +1031,14 @@ extern "C" void SAL_CALL typelib_typedescription_newMIInterface(
             for (sal_Int32 j = 0; j < pBase->nMembers; ++j) {
                 typelib_TypeDescriptionReference const * pDirectBaseMember
                     = pDirectBase->ppAllMembers[i->directBaseMemberOffset + j];
-                rtl::OUStringBuffer aBuf(pDirectBaseMember->pTypeName);
+                OUStringBuffer aBuf(pDirectBaseMember->pTypeName);
                 aBuf.append(":@");
                 aBuf.append(i->directBaseIndex);
                 aBuf.append(',');
                 aBuf.append(i->memberOffset + j);
                 aBuf.append(':');
                 aBuf.append(pITD->aBase.pTypeName);
-                rtl::OUString aName(aBuf.makeStringAndClear());
+                OUString aName(aBuf.makeStringAndClear());
                 typelib_TypeDescriptionReference * pDerivedMember = nullptr;
                 typelib_typedescriptionreference_new(
                     &pDerivedMember, pDirectBaseMember->eTypeClass,
@@ -1119,7 +1115,7 @@ extern "C" void SAL_CALL typelib_typedescription_newInterfaceMethod(
         OSL_FAIL("Bad interface method type name");
         return;
     }
-    rtl::OUString aInterfaceTypeName(pTypeName->buffer, nOffset - 1);
+    OUString aInterfaceTypeName(pTypeName->buffer, nOffset - 1);
     typelib_InterfaceTypeDescription * pInterface = nullptr;
     typelib_typedescription_getByName(
         reinterpret_cast< typelib_TypeDescription ** >(&pInterface),
@@ -1211,7 +1207,7 @@ extern "C" void SAL_CALL typelib_typedescription_newExtendedInterfaceAttribute(
         OSL_FAIL("Bad interface attribute type name");
         return;
     }
-    rtl::OUString aInterfaceTypeName(pTypeName->buffer, nOffset - 1);
+    OUString aInterfaceTypeName(pTypeName->buffer, nOffset - 1);
     typelib_InterfaceTypeDescription * pInterface = nullptr;
     typelib_typedescription_getByName(
         reinterpret_cast< typelib_TypeDescription ** >(&pInterface),
@@ -1753,7 +1749,7 @@ typelib_TypeDescriptionReference ** copyExceptions(
 }
 
 bool createDerivedInterfaceMemberDescription(
-    typelib_TypeDescription ** result, rtl::OUString const & name,
+    typelib_TypeDescription ** result, OUString const & name,
     typelib_TypeDescriptionReference * baseRef,
     typelib_TypeDescription const * base, typelib_TypeDescription * interface,
     sal_Int32 index, sal_Int32 position)
diff --git a/cppu/source/uno/EnvStack.cxx b/cppu/source/uno/EnvStack.cxx
index 4a2fd8146328..9907011987f9 100644
--- a/cppu/source/uno/EnvStack.cxx
+++ b/cppu/source/uno/EnvStack.cxx
@@ -111,7 +111,7 @@ extern "C" void SAL_CALL uno_getCurrentEnvironment(uno_Environment ** ppEnv, rtl
         *ppEnv = nullptr;
     }
 
-    rtl::OUString currPurpose;
+    OUString currPurpose;
 
     uno_Environment * pCurrEnv = s_getCurrent();
     if (pCurrEnv) // no environment means no purpose
@@ -119,7 +119,7 @@ extern "C" void SAL_CALL uno_getCurrentEnvironment(uno_Environment ** ppEnv, rtl
 
     if (pTypeName && rtl_uString_getLength(pTypeName))
     {
-        rtl::OUString envDcp(pTypeName);
+        OUString envDcp(pTypeName);
         envDcp += currPurpose;
 
         uno_getEnvironment(ppEnv, envDcp.pData, nullptr);
@@ -133,20 +133,20 @@ extern "C" void SAL_CALL uno_getCurrentEnvironment(uno_Environment ** ppEnv, rtl
         }
         else
         {
-            rtl::OUString uno_envDcp(UNO_LB_UNO);
+            OUString uno_envDcp(UNO_LB_UNO);
             uno_getEnvironment(ppEnv, uno_envDcp.pData, nullptr);
         }
     }
 }
 
-static rtl::OUString s_getPrefix(rtl::OUString const & str1, rtl::OUString const & str2)
+static OUString s_getPrefix(OUString const & str1, OUString const & str2)
 {
     sal_Int32 nIndex1 = 0;
     sal_Int32 nIndex2 = 0;
     sal_Int32 sim = 0;
 
-    rtl::OUString token1;
-    rtl::OUString token2;
+    OUString token1;
+    OUString token2;
 
     do
     {
@@ -158,7 +158,7 @@ static rtl::OUString s_getPrefix(rtl::OUString const & str1, rtl::OUString const
     }
     while(nIndex1 == nIndex2 && nIndex1 >= 0 && token1 == token2);
 
-    rtl::OUString result;
+    OUString result;
 
     if (sim)
         result = str1.copy(0, sim - 1);
@@ -170,17 +170,17 @@ static int s_getNextEnv(uno_Environment ** ppEnv, uno_Environment * pCurrEnv, un
 {
     int res = 0;
 
-    rtl::OUString nextPurpose;
+    OUString nextPurpose;
 
-    rtl::OUString currPurpose;
+    OUString currPurpose;
     if (pCurrEnv)
         currPurpose = cppu::EnvDcp::getPurpose(pCurrEnv->pTypeName);
 
-    rtl::OUString targetPurpose;
+    OUString targetPurpose;
     if (pTargetEnv)
         targetPurpose = cppu::EnvDcp::getPurpose(pTargetEnv->pTypeName);
 
-    rtl::OUString intermPurpose(s_getPrefix(currPurpose, targetPurpose));
+    OUString intermPurpose(s_getPrefix(currPurpose, targetPurpose));
     if (currPurpose.getLength() > intermPurpose.getLength())
     {
         sal_Int32 idx = currPurpose.lastIndexOf(':');
@@ -202,7 +202,7 @@ static int s_getNextEnv(uno_Environment ** ppEnv, uno_Environment * pCurrEnv, un
 
     if (!nextPurpose.isEmpty())
     {
-        rtl::OUString next_envDcp(UNO_LB_UNO);
+        OUString next_envDcp(UNO_LB_UNO);
         next_envDcp += nextPurpose;
 
         uno_getEnvironment(ppEnv, next_envDcp.pData, nullptr);
@@ -360,21 +360,21 @@ int SAL_CALL uno_Environment_isValid(uno_Environment * pEnv, rtl_uString ** pRea
 {
     int result = 1;
 
-    rtl::OUString typeName(cppu::EnvDcp::getTypeName(pEnv->pTypeName));
+    OUString typeName(cppu::EnvDcp::getTypeName(pEnv->pTypeName));
     if (typeName == UNO_LB_UNO)
     {
         cppu::Enterable * pEnterable = static_cast<cppu::Enterable *>(pEnv->pReserved);
         if (pEnterable)
-            result = pEnterable->isValid(reinterpret_cast<rtl::OUString *>(pReason));
+            result = pEnterable->isValid(reinterpret_cast<OUString *>(pReason));
     }
     else
     {
-        rtl::OUString envDcp(UNO_LB_UNO);
+        OUString envDcp(UNO_LB_UNO);
         envDcp += cppu::EnvDcp::getPurpose(pEnv->pTypeName);
 
         uno::Environment env(envDcp);
 
-        result = env.isValid(reinterpret_cast<rtl::OUString *>(pReason));
+        result = env.isValid(reinterpret_cast<OUString *>(pReason));
     }
 
     return result;
diff --git a/cppu/source/uno/IdentityMapping.cxx b/cppu/source/uno/IdentityMapping.cxx
index 36f0d15192c4..6b7ad09f98c6 100644
--- a/cppu/source/uno/IdentityMapping.cxx
+++ b/cppu/source/uno/IdentityMapping.cxx
@@ -46,7 +46,7 @@ static void s_free(uno_Mapping * pMapping)
 
 static void s_acquire(uno_Mapping * pMapping)
 {
-    static rtl::OUString s_purpose;
+    static OUString s_purpose;
 
     if (1 == osl_atomic_increment(&static_cast<IdentityMapping *>(pMapping)->m_nRef))
     {
diff --git a/cppu/source/uno/cascade_mapping.cxx b/cppu/source/uno/cascade_mapping.cxx
index 60a8704e8347..3cb34a65bb1c 100644
--- a/cppu/source/uno/cascade_mapping.cxx
+++ b/cppu/source/uno/cascade_mapping.cxx
@@ -151,14 +151,14 @@ extern "C" { static void s_MediatorMapping_free(uno_Mapping * pMapping)
 }}
 
 
-static rtl::OUString getPrefix(rtl::OUString const & str1, rtl::OUString const & str2)
+static OUString getPrefix(OUString const & str1, OUString const & str2)
 {
     sal_Int32 nIndex1 = 0;
     sal_Int32 nIndex2 = 0;
     sal_Int32 sim = 0;
 
-    rtl::OUString token1;
-    rtl::OUString token2;
+    OUString token1;
+    OUString token2;
 
     do
     {
@@ -170,7 +170,7 @@ static rtl::OUString getPrefix(rtl::OUString const & str1, rtl::OUString const &
     }
     while(nIndex1 == nIndex2 && nIndex1 >= 0 && token1 == token2);
 
-    rtl::OUString result;
+    OUString result;
 
     if (sim)
         result = str1.copy(0, sim - 1);
@@ -178,12 +178,12 @@ static rtl::OUString getPrefix(rtl::OUString const & str1, rtl::OUString const &
     return result;
 }
 
-//  rtl::OUString str1("abc:def:ghi");
-//  rtl::OUString str2("abc:def");
-//  rtl::OUString str3("abc");
-//  rtl::OUString str4("");
+//  OUString str1("abc:def:ghi");
+//  OUString str2("abc:def");
+//  OUString str3("abc");
+//  OUString str4("");
 
-//  rtl::OUString pref;
+//  OUString pref;
 
 //  pref = getPrefix(str1, str1);
 //  pref = getPrefix(str1, str2);
@@ -203,16 +203,16 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
     if (pAddPurpose && pAddPurpose->length)
         return;
 
-    rtl::OUString uno_envType(UNO_LB_UNO);
+    OUString uno_envType(UNO_LB_UNO);
 
-    rtl::OUString from_envType    = cppu::EnvDcp::getTypeName(pFrom->pTypeName);
-    rtl::OUString to_envType      = cppu::EnvDcp::getTypeName(pTo->pTypeName);
-    rtl::OUString from_envPurpose = cppu::EnvDcp::getPurpose(pFrom->pTypeName);
-    rtl::OUString to_envPurpose   = cppu::EnvDcp::getPurpose(pTo->pTypeName);
+    OUString from_envType    = cppu::EnvDcp::getTypeName(pFrom->pTypeName);
+    OUString to_envType      = cppu::EnvDcp::getTypeName(pTo->pTypeName);
+    OUString from_envPurpose = cppu::EnvDcp::getPurpose(pFrom->pTypeName);
+    OUString to_envPurpose   = cppu::EnvDcp::getPurpose(pTo->pTypeName);
 
 #ifdef LOG_CALLING_named_purpose_getMapping
-    rtl::OString s_from_name = rtl::OUStringToOString(pFrom->pTypeName, RTL_TEXTENCODING_ASCII_US);
-    rtl::OString s_to_name   = rtl::OUStringToOString(pTo->pTypeName,   RTL_TEXTENCODING_ASCII_US);
+    OString s_from_name = OUStringToOString(pFrom->pTypeName, RTL_TEXTENCODING_ASCII_US);
+    OString s_to_name   = OUStringToOString(pTo->pTypeName,   RTL_TEXTENCODING_ASCII_US);
 
     std::cerr << __FUNCTION__ << " - creating mediation ";
     std::cerr << "pFrom: " << s_from_name.getStr();
@@ -229,16 +229,16 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
     // chained uno -> uno
     if (from_envType == uno_envType && to_envType == uno_envType)
     {
-        rtl::OUString purpose = getPrefix(from_envPurpose, to_envPurpose);
+        OUString purpose = getPrefix(from_envPurpose, to_envPurpose);
 
-        rtl::OUString uno_envDcp = uno_envType;
+        OUString uno_envDcp = uno_envType;
         uno_envDcp += purpose;
 
         // direct mapping possible?
         // uno:bla-->uno:bla:blubb
         if (from_envPurpose == purpose)
         {
-            rtl::OUString rest = to_envPurpose.copy(purpose.getLength());
+            OUString rest = to_envPurpose.copy(purpose.getLength());
 
             sal_Int32 index = rest.indexOf(':', 1);
             if (index == -1)
@@ -251,7 +251,7 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
         }
         else if (to_envPurpose == purpose)
         {
-            rtl::OUString rest = from_envPurpose.copy(purpose.getLength());
+            OUString rest = from_envPurpose.copy(purpose.getLength());
 
             sal_Int32 index = rest.indexOf(':', 1);
             if (index == -1)
@@ -268,7 +268,7 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
     else if (from_envType != uno_envType && to_envType == uno_envType) // <ANY> -> UNO ?
         // mediate via uno:purpose(fromEnv)
     {
-        rtl::OUString     envDcp = uno_envType;
+        OUString     envDcp = uno_envType;
 
         envDcp += from_envPurpose;
          uno_getEnvironment(&pInterm, envDcp.pData, nullptr);
@@ -276,7 +276,7 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
     else if (from_envType == uno_envType && to_envType != uno_envType) // UNO -> <ANY>?
         // mediate via uno(context)
     {
-        rtl::OUString     envDcp = uno_envType;
+        OUString     envDcp = uno_envType;
 
          envDcp += to_envPurpose;
         uno_getEnvironment(&pInterm, envDcp.pData, nullptr);
@@ -284,9 +284,9 @@ void getCascadeMapping(uno_Mapping     ** ppMapping,
     else // everything else
         // mediate via uno:purpose
     {
-        rtl::OUString purpose = getPrefix(from_envPurpose, to_envPurpose);
+        OUString purpose = getPrefix(from_envPurpose, to_envPurpose);
 
-        rtl::OUString uno_envDcp = uno_envType;
+        OUString uno_envDcp = uno_envType;
         uno_envDcp += purpose;
 
         uno_getEnvironment(&pInterm, uno_envDcp.pData, nullptr);
diff --git a/cppu/source/uno/eq.hxx b/cppu/source/uno/eq.hxx
index df0be91ed0b1..a2191a34222f 100644
--- a/cppu/source/uno/eq.hxx
+++ b/cppu/source/uno/eq.hxx
@@ -166,7 +166,7 @@ inline bool _equalSequence(
     {
         for ( sal_Int32 nPos = nElements; nPos--; )
         {
-            if ( static_cast<OUString *>(pDestElements)[nPos] != static_cast<const ::rtl::OUString *>(pSourceElements)[nPos] )
+            if ( static_cast<OUString *>(pDestElements)[nPos] != static_cast<const OUString *>(pSourceElements)[nPos] )
                 return false;
         }
         return true;
diff --git a/cppu/source/uno/lbenv.cxx b/cppu/source/uno/lbenv.cxx
index d442ca0bc7d7..a336dd33eaf8 100644
--- a/cppu/source/uno/lbenv.cxx
+++ b/cppu/source/uno/lbenv.cxx
@@ -45,8 +45,6 @@
 #include <stdio.h>
 
 
-using ::rtl::OUString;
-
 namespace
 {
 
@@ -677,7 +675,7 @@ void writeLine(
 void writeLine(
     void * stream, const OUString & rLine, const sal_Char * pFilter )
 {
-    ::rtl::OString aLine( ::rtl::OUStringToOString(
+    OString aLine( OUStringToOString(
                               rLine, RTL_TEXTENCODING_ASCII_US ) );
     writeLine( stream, aLine.getStr(), pFilter );
 }
@@ -689,7 +687,7 @@ extern "C" void SAL_CALL uno_dumpEnvironment(
     SAL_THROW_EXTERN_C()
 {
     OSL_ENSURE( pEnv, "### null ptr!" );
-    ::rtl::OUStringBuffer buf;
+    OUStringBuffer buf;
 
     if (! pEnv->pExtEnv)
     {
@@ -781,7 +779,7 @@ extern "C" void SAL_CALL uno_dumpEnvironmentByName(
     }
     else
     {
-        ::rtl::OUStringBuffer buf( 32 );
+        OUStringBuffer buf( 32 );
         buf.append( "environment \"" );
         buf.append( pEnvDcp );
         buf.append( "\" does not exist!" );
@@ -798,7 +796,7 @@ namespace
     public:
         makeOIdPart()
         {
-            ::rtl::OUStringBuffer aRet( 64 );
+            OUStringBuffer aRet( 64 );
             aRet.append( "];" );
             // pid
             oslProcessInfo info;
@@ -855,7 +853,7 @@ static void unoenv_computeObjectIdentifier(
     {
         (*pUnoI->release)( pUnoI );
         // interface
-        ::rtl::OUStringBuffer oid( 64 );
+        OUStringBuffer oid( 64 );
         oid.append( reinterpret_cast< sal_Int64 >(pUnoI), 16 );
         oid.append( ';' );
         // environment[context]
@@ -1084,7 +1082,7 @@ static uno_Environment * initDefaultEnvironment(
         OUString envPurpose = cppu::EnvDcp::getPurpose(rEnvDcp);
         if (!envPurpose.isEmpty())
         {
-            rtl::OUString libStem(
+            OUString libStem(
                 envPurpose.copy(envPurpose.lastIndexOf(':') + 1) + "_uno_uno");
             if(!loadEnv(libStem, pEnv))
             {
diff --git a/cppu/source/uno/lbmap.cxx b/cppu/source/uno/lbmap.cxx
index c203523efa2c..b5fdf82ac0f6 100644
--- a/cppu/source/uno/lbmap.cxx
+++ b/cppu/source/uno/lbmap.cxx
@@ -48,8 +48,6 @@
 using namespace std;
 using namespace osl;
 using namespace com::sun::star::uno;
-using ::rtl::OUString;
-using ::rtl::OUStringBuffer;
 
 namespace cppu
 {
diff --git a/cppu/source/uno/loadmodule.cxx b/cppu/source/uno/loadmodule.cxx
index ef8e65a7ffb9..c72de19be33d 100644
--- a/cppu/source/uno/loadmodule.cxx
+++ b/cppu/source/uno/loadmodule.cxx
@@ -31,8 +31,8 @@ namespace cppu { namespace detail {
 
 #ifndef DISABLE_DYNLOADING
 
-bool loadModule(osl::Module& rModule, rtl::OUString const & name) {
-    rtl::OUStringBuffer b;
+bool loadModule(osl::Module& rModule, OUString const & name) {
+    OUStringBuffer b;
 #if defined SAL_DLLPREFIX
     b.append(SAL_DLLPREFIX);
 #endif
diff --git a/cppu/source/uno/loadmodule.hxx b/cppu/source/uno/loadmodule.hxx
index 9021118477d6..8a964e088174 100644
--- a/cppu/source/uno/loadmodule.hxx
+++ b/cppu/source/uno/loadmodule.hxx
@@ -37,7 +37,7 @@ namespace cppu { namespace detail {
 
     @return false if the module could not be loaded, otherwise true
 */
-bool loadModule(osl::Module & rModule, ::rtl::OUString const & name);
+bool loadModule(osl::Module & rModule, OUString const & name);
 
 #endif