diff --git a/macros.mingw64 b/macros.mingw64
index bc0d132..74b441a 100644
--- a/macros.mingw64
+++ b/macros.mingw64
@@ -20,7 +20,7 @@
 # Build macros.
 %_mingw64_host            %{_mingw64_target}
 
-%_mingw64_cflags          -O2 -g -pipe -Wall -fexceptions -fno-omit-frame-pointer -fno-optimize-sibling-calls --param=ssp-buffer-size=4 -mms-bitfields
+%_mingw64_cflags          -O2 -g -pipe -Wall -fexceptions --param=ssp-buffer-size=4 -mms-bitfields
 
 %_mingw64_ldflags         -Wl,--exclude-libs=libintl.a -Wl,--exclude-libs=libiconv.a