diff --git a/tools/Makefile b/tools/Makefile
index 3d558651..ceb243b5 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -5,7 +5,7 @@ HOST_ENV := $(patsubst MINGW%,MinGW,$(HOST_ENV))
 
 CC           := gcc
 CXX          := g++
-CFLAGS       := -I. -g -s
+CFLAGS       := -I. -O2 -s
 LDFLAGS      := -lm
 ALL_PROGRAMS := armips filesizer rncpack n64graphics n64graphics_ci mio0 slienc n64cksum textconv patch_libultra_math aifc_decode aiff_extract_codebook vadpcm_enc tabledesign extract_data_for_mio skyconv
 LIBAUDIOFILE := audiofile/libaudiofile.a