diff --git a/test/trim-src/test.mk b/test/trim-src/test.mk
deleted file mode 100644
index 206fc90..0000000
--- a/test/trim-src/test.mk
+++ /dev/null
@@ -1,22 +0,0 @@
-TOPDIR                        = ../..
-
-MAKEFLAGS                    += --no-builtin-rules
-
-INPUT                         = test.mk
-EXE                           = $(TOPDIR)/scripts/trim-src.py
-EXE_ARGS                      = beautify $(INPUT)
-
-include $(TOPDIR)/make/proj.mk
-include $(MODDIR)/make/py-run.mk
-
-run: $(INPUT)
-
-$(INPUT):
-	cp Makefile $@
-clean.test:
-	rm -f $(INPUT)
-clean: clean.test
-
-help:
-	python $(EXE) -h
-	python $(EXE) beautify -h