diff --git a/Makefile.tools b/Makefile.tools
index feef380..f6d7b13 100644
--- a/Makefile.tools
+++ b/Makefile.tools
@@ -54,7 +54,6 @@ bin_PROGRAMS += attrib/gatttool
 
 attrib_gatttool_SOURCES = attrib/gatttool.c attrib/att.c attrib/gatt.c \
 				attrib/gattrib.c btio/btio.c \
-				src/glib-helper.h src/glib-helper.c \
 				attrib/gatttool.h attrib/interactive.c \
 				attrib/utils.c
 attrib_gatttool_LDADD = lib/libbluetooth.la @GLIB_LIBS@ @READLINE_LIBS@