diff --git a/Makefile b/Makefile
index 64b0b7042be5e8fd54c99a2b6a8946b221dfbb60..7ce96ec7fbacfba1b64d2f1ab231fca9ab7bb6ff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,3 @@
-SPLFR_PATH=/usr/local/sicstus4.7.1/bin/splfr
-
 methods := \
 	adaboost \
 	approx_kfn \
@@ -39,7 +37,7 @@ all: $(methods)
 
 .PHONY: methods
 $(methods):
-	$(MAKE) -C src/methods/$@ splfr=$(SPLFR_PATH)
+	$(MAKE) -C src/methods/$@
 
 .PHONY: $(clean_methods)
 $(clean_methods):