diff --git a/Makefile b/Makefile
index fbb9447a..f6f12675 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ CSERVICE_PATH ?= cservice
 
 SKYNET_BUILD_PATH ?= .
 
-CFLAGS = -g -O2 -Wall -I$(LUA_INC) $(MYCFLAGS) $(SKYNET_DEFINES)
+CFLAGS = -g -O2 -Wall -I$(LUA_INC) $(MYCFLAGS) 
 
 # lua
 
@@ -54,7 +54,7 @@ all : \
   $(foreach v, $(LUA_CLIB), $(LUA_CLIB_PATH)/$(v).so) 
 
 $(SKYNET_BUILD_PATH)/skynet : $(foreach v, $(SKYNET_SRC), skynet-src/$(v)) $(LUA_LIB) $(MALLOC_STATICLIB)
-	$(CC) $(CFLAGS) -o $@ $^ -Iskynet-src -I$(JEMALLOC_INC) $(LDFLAGS) $(EXPORT) $(SKYNET_LIBS) 
+	$(CC) $(CFLAGS) -o $@ $^ -Iskynet-src -I$(JEMALLOC_INC) $(LDFLAGS) $(EXPORT) $(SKYNET_LIBS) $(SKYNET_DEFINES)
 
 $(LUA_CLIB_PATH) :
 	mkdir $(LUA_CLIB_PATH)
diff --git a/platform.mk b/platform.mk
index 975cf293..a112f0f2 100644
--- a/platform.mk
+++ b/platform.mk
@@ -36,6 +36,5 @@ linux freebsd : SKYNET_LIBS += -lrt
 macosx : MALLOC_STATICLIB :=
 macosx : SKYNET_DEFINES :=-DNOUSE_JEMALLOC
 
-
 linux macosx freebsd :
 	$(MAKE) all PLAT=$@ SKYNET_LIBS="$(SKYNET_LIBS)" SHARED="$(SHARED)" EXPORT="$(EXPORT)" MALLOC_STATICLIB="$(MALLOC_STATICLIB)" SKYNET_DEFINES="$(SKYNET_DEFINES)"
diff --git a/skynet-src/skynet_malloc.h b/skynet-src/skynet_malloc.h
index 1b3b94d3..f7e4337f 100644
--- a/skynet-src/skynet_malloc.h
+++ b/skynet-src/skynet_malloc.h
@@ -3,15 +3,11 @@
 
 #include <stddef.h>
 
-#ifdef NOUSE_JEMALLOC
-
 #define skynet_malloc malloc
 #define skynet_calloc calloc
 #define skynet_realloc realloc
 #define skynet_free free
 
-#endif
-
 void * skynet_malloc(size_t sz);
 void * skynet_calloc(size_t nmemb,size_t size);
 void * skynet_realloc(void *ptr, size_t size);