diff --git a/configure b/configure
index 5b958cafb1..8e492ad25a 100755
--- a/configure
+++ b/configure
@@ -28514,7 +28514,7 @@ fi
 
 
             case "${host}" in
-	x86_64-*-mingw32* )
+        x86_64-*-mingw32* )
                         LIBS="$LIBS -lwinspool -lwinmm -lshell32 -lcomctl32 -lcomdlg32 -lwctl3d32 -ladvapi32 -lwsock32 -lgdi32"
 
                                                 WINDRES_CPU_DEFINE="--define WX_CPU_AMD64"
@@ -48024,19 +48024,7 @@ fi
 
 
 
-TOOLKIT_LOWERCASE=xxx
-if test "$TOOLKIT" = "MAC"; then
-    TOOLKIT_LOWERCASE=osx_carbon
-fi
-if test "$TOOLKIT" = "OSX_CARBON"; then
-    TOOLKIT_LOWERCASE=osx_carbon
-fi
-if test "$TOOLKIT" = "OSX_COCOA"; then
-    TOOLKIT_LOWERCASE=osx_cocoa
-fi
-if test "$TOOLKIT_LOWERCASE" = "xxx"; then
-    TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[A-Z]' '[a-z]'`
-fi
+TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[A-Z]' '[a-z]'`
 
 
 
diff --git a/configure.in b/configure.in
index 559c17cb20..a5674f798e 100644
--- a/configure.in
+++ b/configure.in
@@ -2765,7 +2765,7 @@ if test "$USE_WIN32" = 1 ; then
     dnl --- FIXME: This is still a somewhat random list of libs,
     dnl ---        some of them should probably be included conditionally.
     case "${host}" in
-	x86_64-*-mingw32* )
+        x86_64-*-mingw32* )
             dnl --- For mingw-w64 lctl3d32's name has changed
             LIBS="$LIBS -lwinspool -lwinmm -lshell32 -lcomctl32 -lcomdlg32 -lwctl3d32 -ladvapi32 -lwsock32 -lgdi32"
 
@@ -7819,19 +7819,7 @@ AC_SUBST(EXTRALIBS_HILDON)
 AC_SUBST(UNICODE)
 AC_SUBST(DEBUG_INFO)
 AC_SUBST(DEBUG_FLAG)
-TOOLKIT_LOWERCASE=xxx
-if test "$TOOLKIT" = "MAC"; then
-    TOOLKIT_LOWERCASE=osx_carbon
-fi
-if test "$TOOLKIT" = "OSX_CARBON"; then
-    TOOLKIT_LOWERCASE=osx_carbon
-fi
-if test "$TOOLKIT" = "OSX_COCOA"; then
-    TOOLKIT_LOWERCASE=osx_cocoa
-fi
-if test "$TOOLKIT_LOWERCASE" = "xxx"; then
-    TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[[A-Z]]' '[[a-z]]'`
-fi
+TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[[A-Z]]' '[[a-z]]'`
 AC_SUBST(TOOLKIT_LOWERCASE)
 AC_SUBST(TOOLKIT_VERSION)
 AC_SUBST(DYLIB_RPATH_INSTALL)