diff --git a/bin/makefile-cygwin.x86_64-x b/bin/makefile-cygwin.x86_64-x
index 7329117..bfdbcd1 100644
--- a/bin/makefile-cygwin.x86_64-x
+++ b/bin/makefile-cygwin.x86_64-x
@@ -1,6 +1,6 @@
 # Options for Linux, Intel x86_64 and X-Window
 
-#CC = gcc -m64 $(GCC_CFLAGS) -fno-omit-frame-pointer -Wall -Wextra -fno-aggressive-loop-optimizations
+#CC = gcc -m64 $(GCC_CFLAGS)
 CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
diff --git a/bin/makefile-linux.386-x b/bin/makefile-linux.386-x
index 25552e5..6240b3a 100644
--- a/bin/makefile-linux.386-x
+++ b/bin/makefile-linux.386-x
@@ -1,6 +1,6 @@
 # Options for Linux, Intel 386/486 and X-Window
 
-#CC = gcc -m32 $(GCC_CFLAGS) -fno-omit-frame-pointer -Wall -Wextra -fno-aggressive-loop-optimizations
+#CC = gcc -m32 $(GCC_CFLAGS)
 CC = clang -m32 $(CLANG_CFLAGS)
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
diff --git a/bin/makefile-linux.x86_64-x b/bin/makefile-linux.x86_64-x
index 7329117..bfdbcd1 100644
--- a/bin/makefile-linux.x86_64-x
+++ b/bin/makefile-linux.x86_64-x
@@ -1,6 +1,6 @@
 # Options for Linux, Intel x86_64 and X-Window
 
-#CC = gcc -m64 $(GCC_CFLAGS) -fno-omit-frame-pointer -Wall -Wextra -fno-aggressive-loop-optimizations
+#CC = gcc -m64 $(GCC_CFLAGS)
 CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \