diff --git a/build.mk b/build.mk
index b38962f..d49fda2 100644
--- a/build.mk
+++ b/build.mk
@@ -151,7 +151,7 @@
 endif
 ifeq ($(STRIP_ELF), yes)
 ifeq ($(RELEASE), yes)
-	$(STRIP) --strip-debug --strip-unneeded $(OUTDIR)/$(TARGET_VER).elf
+	$(STRIP) --strip-all $(OUTDIR)/$(TARGET_VER).elf
 endif
 endif
 ifeq ($(GEN_SIZE), yes)