diff --git a/Makefile b/Makefile
index ca0f76cfc..293f86f17 100644
--- a/Makefile
+++ b/Makefile
@@ -182,7 +182,6 @@ mostlyclean: tidy
 	rm -f $(DATA_ASM_SUBDIR)/maps/connections.inc $(DATA_ASM_SUBDIR)/maps/events.inc $(DATA_ASM_SUBDIR)/maps/groups.inc $(DATA_ASM_SUBDIR)/maps/headers.inc
 	find $(DATA_ASM_SUBDIR)/maps \( -iname 'connections.inc' -o -iname 'events.inc' -o -iname 'header.inc' \) -exec rm {} +
 	rm -f $(AUTO_GEN_TARGETS)
-	rm -f $(OBJ_DIR)/libagbsyscall.a
 	@$(MAKE) clean -C berry_fix
 	@$(MAKE) clean -C libagbsyscall