diff --git a/src/GvimExt/Make_cyg.mak b/src/GvimExt/Make_cyg.mak
index 80a2a65..a638688 100644
--- a/src/GvimExt/Make_cyg.mak
+++ b/src/GvimExt/Make_cyg.mak
@@ -31,12 +31,12 @@
 ifeq ($(CROSS),yes)
 DEL = rm
 ifeq ($(MINGWOLD),yes)
-CXXFLAGS := -O2 -mno-cygwin -fvtable-thunks
+CXXFLAGS := -O2 -fvtable-thunks
 else
-CXXFLAGS := -O2 -mno-cygwin
+CXXFLAGS := -O2
 endif
 else
-CXXFLAGS := -O2 -mno-cygwin
+CXXFLAGS := -O2
 ifneq (sh.exe, $(SHELL))
 DEL = rm
 else