diff --git a/jni/Android.mk b/jni/Android.mk
index fdbeda23c..983e9812b 100644
--- a/jni/Android.mk
+++ b/jni/Android.mk
@@ -175,6 +175,8 @@ include $(BUILD_STATIC_LIBRARY)
 ##################################################
 include $(CLEAR_VARS)
 
+#RELEASE_FLAG := true
+
 LOCAL_MODULE    := libimage
 LOCAL_SRC_FILES := \
 image.c \
@@ -184,6 +186,12 @@ gif.c \
 utils.c
 LOCAL_CFLAGS := -O3
 LOCAL_STATIC_LIBRARIES := libjpeg-turbo libpng libgif
-LOCAL_LDLIBS := -lGLESv2 -llog
+LOCAL_LDLIBS := -lGLESv2
+
+ifdef RELEASE_FLAG
+    LOCAL_CFLAGS += -DRELEASE
+else
+    LOCAL_LDLIBS += -llog
+endif
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/jni/image.h b/jni/image.h
index 859783e46..2b42ed6d3 100644
--- a/jni/image.h
+++ b/jni/image.h
@@ -7,6 +7,17 @@
 #ifndef IMAGE_H_
 #define IMAGE_H_
 
+#ifdef RELEASE
+
+#define LOGV(...)
+#define LOGD(...)
+#define LOGI(...)
+#define LOGW(...)
+#define LOGE(...)
+#define LOGF(...)
+
+#else
+
 #define TAG "libimage"
 #define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG ,__VA_ARGS__)
 #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG ,__VA_ARGS__)
@@ -15,6 +26,8 @@
 #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG ,__VA_ARGS__)
 #define LOGF(...) __android_log_print(ANDROID_LOG_FATAL, TAG ,__VA_ARGS__)
 
+#endif /* RELEASE */
+
 typedef unsigned char byte;
 
 typedef struct {