diff --git a/Makefile b/Makefile
index f7955de..f2f1a5a 100644
--- a/Makefile
+++ b/Makefile
@@ -10,9 +10,7 @@ PREFIX=/usr
 
 CC?=gcc
 CFLAGS?=-O3 -Wall
-_CFLAGS=-I$(DIR)
-BUILD_FLAGS=
-ALLFLAGS=$(CFLAGS) -I$(IDIR) $(BUILD_FLAGS)
+ALLFLAGS=$(CFLAGS) -I$(IDIR)
 
 LIBS=-lpam