diff --git a/graphics/text/Makefile b/graphics/text/Makefile
index a1bd428f..fe136e51 100644
--- a/graphics/text/Makefile
+++ b/graphics/text/Makefile
@@ -56,5 +56,5 @@ graphics.stamp: config.py fontchars ../../lumps/fraggle/freedoom.bex
 	@mv graphics.tmp $@
 
 clean:
-	rm -f $(GRAPHICS) graphics.stamp
-
+	rm -f $(GRAPHICS) graphics.stamp *.pyc
+	rm -f $(GRAPHICS) *.pyc
diff --git a/lumps/dmxgus/Makefile b/lumps/dmxgus/Makefile
index 73c09a34..1a4fec67 100644
--- a/lumps/dmxgus/Makefile
+++ b/lumps/dmxgus/Makefile
@@ -2,5 +2,5 @@ ultramid.ini : gen-ultramid config.py stats.py
 	./gen-ultramid $@
 
 clean:
-	rm -f ultramid.ini
+	rm -f ultramid.ini *.pyc
 
diff --git a/lumps/genmidi/Makefile b/lumps/genmidi/Makefile
index 33c0f750..d0682b39 100644
--- a/lumps/genmidi/Makefile
+++ b/lumps/genmidi/Makefile
@@ -3,5 +3,5 @@ genmidi.lmp: config.py instruments/*
 	./mkgenmidi $@
 
 clean:
-	rm -f genmidi.lmp
+	rm -f genmidi.lmp *.pyc