diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1369984
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/makefile.csm
+/rain
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 11f1fc7..0000000
--- a/Makefile
+++ /dev/null
@@ -1,19 +0,0 @@
-CSM := csm
-PREFIX := /usr/local
-INSTALL := install
-
-.PHONY: all
-all: Makefile.csm
-	$(MAKE) -f Makefile.csm
-
-Makefile.csm:
-	$(CSM) -makefile Makefile.csm
-
-.PHONY: clean
-clean: Makefile.csm
-	$(MAKE) -f Makefile.csm clean
-	rm -f Makefile.csm rain
-
-.PHONY: install
-install:
-	$(INSTALL) -sDm755 rain $(DESTDIR)$(PREFIX)/bin/rain
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..738144f
--- /dev/null
+++ b/makefile
@@ -0,0 +1,18 @@
+CSM := csm
+PREFIX := /usr/local
+INSTALL := install
+
+.PHONY: all
+all: makefile.csm
+	$(MAKE) -f makefile.csm
+
+makefile.csm:
+	$(CSM) -makefile makefile.csm
+
+.PHONY: clean
+clean:
+	git clean -fdx
+
+.PHONY: install
+install:
+	$(INSTALL) -sDm755 rain $(DESTDIR)$(PREFIX)/bin/rain