--- a/projects/unix/Makefile
+++ b/projects/unix/Makefile
@@ -94,7 +94,7 @@
     ifeq ($(ARCH_DETECTED), 64BITS)
       CFLAGS += -pipe -arch x86_64 -mmacosx-version-min=10.6 -isysroot $(OSX_SDK_PATH)
     else
-      CFLAGS += -pipe -mmmx -msse -fomit-frame-pointer -arch i686 -mmacosx-version-min=10.6 -isysroot $(OSX_SDK_PATH)
+      CFLAGS += -pipe -arch i686 -mmacosx-version-min=10.6 -isysroot $(OSX_SDK_PATH)
     endif
   endif
 endif
@@ -172,20 +172,6 @@
 COMPILE.c = $(Q_CC)$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
 LINK.o = $(Q_LD)$(CC) $(CFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 
-ifeq ($(PIE), 1)
-  CFLAGS += -fPIE
-  LDFLAGS += -pie
-else
-  CFLAGS += -fno-PIE
-  ifeq ($(CC),$(CROSS_COMPILE)gcc)
-    # check if PIE is the default for the compiler
-    PIE_DEFAULT = $(shell $(CC) -v 2>&1 | grep enable-default-pie)
-    ifneq ($(PIE_DEFAULT),)
-      LDFLAGS += -no-pie
-    endif
-  endif
-endif
-
 # set installation options
 ifeq ($(PREFIX),)
   PREFIX := /usr/local