diff --git a/virtualbox.spec b/virtualbox.spec
index e18caf9..288da33 100644
--- a/virtualbox.spec
+++ b/virtualbox.spec
@@ -360,7 +360,6 @@ echo "build basic parts"
     VBOX_WITH_REGISTRATION_REQUEST= VBOX_WITH_UPDATE_REQUEST= \
     TOOL_YASM_AS=yasm \
     VBOX_BUILD_PUBLISHER=_SUSE \
-    TOOL_GCC3_CFLAGS="%{optflags}" TOOL_GCC3_CXXFLAGS="%{optflags}" \
     VBOX_GCC_OPT="%{optflags}"
 
 #