diff --git a/source/Irrlicht/Makefile b/source/Irrlicht/Makefile
index 2b215f42..535280d7 100644
--- a/source/Irrlicht/Makefile
+++ b/source/Irrlicht/Makefile
@@ -71,17 +71,17 @@ LINKOBJ = $(IRRMESHOBJ) $(IRROBJ) $(IRRPARTICLEOBJ) $(IRRANIMOBJ) \
 #Compiler flags
 CXXINCS = -I../../include -Izlib -Ijpeglib -Ilibpng
 CPPFLAGS += $(CXXINCS) -DIRRLICHT_EXPORTS=1
-CXXFLAGS += -Wall -pipe -fno-exceptions -fno-rtti -fstrict-aliasing
+CXXFLAGS += -Wall -pipe -fno-exceptions -fno-rtti
 #CXXFLAGS += -std=gnu++11 -U__STRICT_ANSI__
 ifndef NDEBUG
 CXXFLAGS += -g -D_DEBUG
 else
-CXXFLAGS += -fexpensive-optimizations -O3
+CXXFLAGS += -O3
 endif
 ifdef PROFILE
 CXXFLAGS += -pg
 endif
-CFLAGS := -O3 -fexpensive-optimizations -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES -DPNG_ARM_NEON_OPT=0
+CFLAGS := -O3 -DPNG_THREAD_UNSAFE_OK -DPNG_NO_MMX_CODE -DPNG_NO_MNG_FEATURES -DPNG_ARM_NEON_OPT=0
 
 sharedlib sharedlib_osx: CXXFLAGS += -fPIC
 sharedlib sharedlib_osx: CFLAGS += -fPIC