diff --git a/tools/source/fsys/urlobj.cxx b/tools/source/fsys/urlobj.cxx
index 68997ac1b778..2b04cdc01fc6 100644
--- a/tools/source/fsys/urlobj.cxx
+++ b/tools/source/fsys/urlobj.cxx
@@ -2336,7 +2336,7 @@ bool INetURLObject::setPassword(rtl::OUString const & rThePassword,
     else if (m_aHost.isPresent())
     {
         m_aAbsURIRef.insert(m_aHost.getBegin(),
-            rtl::OUString::createFromAscii(":@"));
+            rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ":@" )));
         m_aUser.set(m_aAbsURIRef, rtl::OUString(), m_aHost.getBegin());
         nDelta
             = m_aAuth.set(m_aAbsURIRef, aNewAuth, m_aHost.getBegin() + 1) + 2;
diff --git a/tools/source/generic/config.cxx b/tools/source/generic/config.cxx
index d4a92de5d589..e8d9129c2fb2 100644
--- a/tools/source/generic/config.cxx
+++ b/tools/source/generic/config.cxx
@@ -217,20 +217,20 @@ static String ImplMakeConfigName( const XubString* pFileName,
     if ( pFileName )
     {
 #ifdef UNX
-        aFileName = ::rtl::OUString::createFromAscii( "." );
+        aFileName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "." ));
         aFileName += *pFileName;
-        aFileName += ::rtl::OUString::createFromAscii( "rc" );
+        aFileName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "rc" ));
 #else
         aFileName = *pFileName;
-        aFileName += ::rtl::OUString::createFromAscii( ".ini" );
+        aFileName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".ini" ));
 #endif
     }
     else
     {
 #ifdef UNX
-        aFileName = ::rtl::OUString::createFromAscii( ".sversionrc" );
+        aFileName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".sversionrc" ));
 #else
-        aFileName = ::rtl::OUString::createFromAscii( "sversion.ini" );
+        aFileName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "sversion.ini" ));
 #endif
     }
 
@@ -249,7 +249,7 @@ static String ImplMakeConfigName( const XubString* pFileName,
     }
 
     ::rtl::OUString aName( aPathName );
-    aName += ::rtl::OUString::createFromAscii( "/" );
+    aName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ));
     aName += aFileName;
 
     return aName;
diff --git a/tools/source/generic/svlibrary.cxx b/tools/source/generic/svlibrary.cxx
index be6772ffbcfa..5864bdf2c8a8 100644
--- a/tools/source/generic/svlibrary.cxx
+++ b/tools/source/generic/svlibrary.cxx
@@ -62,7 +62,7 @@ static uno::Sequence< rtl::OUString > GetMultiPaths_Impl()
             aUser     .AppendAscii( "_user" );
 
             uno::Reference< beans::XPropertySet > xPathSettings( xMgr->createInstance(
-                rtl::OUString::createFromAscii( "com.sun.star.util.PathSettings" ) ), uno::UNO_QUERY_THROW );
+                rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.util.PathSettings" )) ), uno::UNO_QUERY_THROW );
             xPathSettings->getPropertyValue( aInternal )  >>= aInternalPaths;
             xPathSettings->getPropertyValue( aUser )      >>= aUserPaths;
         }
diff --git a/tools/workben/urltest.cxx b/tools/workben/urltest.cxx
index 0b0239a96f5a..2d3bd9b445f8 100644
--- a/tools/workben/urltest.cxx
+++ b/tools/workben/urltest.cxx
@@ -611,7 +611,7 @@ main()
     if (true)
     {
         rtl::OUString
-            aParameters(rtl::OUString::createFromAscii("; CharSet=UTF-8  ; Blubber=Blob"));
+            aParameters(rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "; CharSet=UTF-8  ; Blubber=Blob" )));
         sal_Unicode const * pBegin = aParameters.getStr();
         sal_Unicode const * pEnd = pBegin + aParameters.getLength();
         INetContentTypeParameterList aList;
@@ -1451,7 +1451,7 @@ main()
     }
 
     if (true) { // #112130#
-        INetURLObject url1(rtl::OUString::createFromAscii(".uno:abc%3Fdef"));
+        INetURLObject url1(rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".uno:abc%3Fdef" )));
         if (url1.GetProtocol() != INET_PROT_UNO) {
             printf("BAD .uno:abc%%3Fdef\n");
             bSuccess = false;
@@ -1469,7 +1469,7 @@ main()
             printf("BAD HasParam(.uno:abc%%3Fdef)\n");
             bSuccess = false;
         }
-        INetURLObject url2(rtl::OUString::createFromAscii(".uno:abc?def?ghi"));
+        INetURLObject url2(rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".uno:abc?def?ghi" )));
         if (url2.GetProtocol() != INET_PROT_UNO) {
             printf("BAD .uno:abc?def?ghi\n");
             bSuccess = false;