diff --git a/Makefile b/Makefile
index 33eb91c..14078e0 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ all: build EvalHaskell.h
 build::
 	cd src ;\
 	$(GHC) -o setup --make Setup.hs ;\
-	./setup configure --prefix=$(PREFIX) --with-happy=$(TOP)/happy.sh ;\
+	./setup configure --prefix=$(PREFIX) ;\
 	./setup build
 
 EvalHaskell.h: build
diff --git a/happy.sh b/happy.sh
deleted file mode 100644
index 3fdccf4..0000000
--- a/happy.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-happy -a -g -c $*