diff --git a/themes/Makefile b/themes/Makefile
deleted file mode 100644
index b9298207c..000000000
--- a/themes/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-.PHONY: clean
-
-ALL: compact.css compact_night.css light.css night_blue.css night.css
-
-%.css: %.less light/*.less
-	lessc --source-map=$(patsubst %.less,%.css.map,${<}) ${<} ${@}
-
-clean:
-	rm -f *.css *.css.map