diff --git a/mkspecs/common/g++-win32.conf b/mkspecs/common/g++-win32.conf
index f0df324b644..c3a1f3a3732 100644
--- a/mkspecs/common/g++-win32.conf
+++ b/mkspecs/common/g++-win32.conf
@@ -31,8 +31,6 @@ QMAKE_YACCFLAGS         = -d
 
 QMAKE_CFLAGS_SSE2      += -mstackrealign
 
-QMAKE_CXXFLAGS_RTTI_ON  = -frtti
-QMAKE_CXXFLAGS_RTTI_OFF = -fno-rtti
 QMAKE_CXXFLAGS_EXCEPTIONS_ON = -fexceptions -mthreads
 
 QMAKE_INCDIR            =
diff --git a/mkspecs/common/gcc-base.conf b/mkspecs/common/gcc-base.conf
index c2669e48336..44b42672079 100644
--- a/mkspecs/common/gcc-base.conf
+++ b/mkspecs/common/gcc-base.conf
@@ -68,6 +68,8 @@ QMAKE_CXXFLAGS_APP        += $$QMAKE_CFLAGS_APP
 QMAKE_CXXFLAGS_YACC       += $$QMAKE_CFLAGS_YACC
 QMAKE_CXXFLAGS_HIDESYMS   += $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
 QMAKE_CXXFLAGS_EXCEPTIONS_OFF += $$QMAKE_CFLAGS_EXCEPTIONS_OFF
+QMAKE_CXXFLAGS_RTTI_ON     = -frtti
+QMAKE_CXXFLAGS_RTTI_OFF    = -fno-rtti
 QMAKE_CXXFLAGS_SPLIT_SECTIONS += $$QMAKE_CFLAGS_SPLIT_SECTIONS
 QMAKE_CXXFLAGS_LTCG        = $$QMAKE_CFLAGS_LTCG
 QMAKE_CXXFLAGS_LTCG_FATOBJECTS = $$QMAKE_CFLAGS_LTCG_FATOBJECTS
diff --git a/mkspecs/features/win32/rtti.prf b/mkspecs/features/rtti.prf
similarity index 100%
rename from mkspecs/features/win32/rtti.prf
rename to mkspecs/features/rtti.prf
diff --git a/mkspecs/features/win32/rtti_off.prf b/mkspecs/features/rtti_off.prf
similarity index 100%
rename from mkspecs/features/win32/rtti_off.prf
rename to mkspecs/features/rtti_off.prf