diff --git a/libs/vr/libdisplay/Android.mk b/libs/vr/libdisplay/Android.mk
index cd89d46..60f73c6 100644
--- a/libs/vr/libdisplay/Android.mk
+++ b/libs/vr/libdisplay/Android.mk
@@ -64,7 +64,7 @@
 LOCAL_CFLAGS += -DLOG_TAG=\"libdisplay\"
 LOCAL_CFLAGS += -DTRACE=0
 LOCAL_CFLAGS += -DATRACE_TAG=ATRACE_TAG_GRAPHICS
-LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -g -O0
+LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(includeFiles)
 LOCAL_SHARED_LIBRARIES := $(sharedLibraries)
 LOCAL_STATIC_LIBRARIES := $(staticLibraries)