diff --git a/src/lib/ebus/Makefile.am b/src/lib/ebus/Makefile.am
index 46222ee0..291586bb 100644
--- a/src/lib/ebus/Makefile.am
+++ b/src/lib/ebus/Makefile.am
@@ -1,8 +1,7 @@
 AM_CXXFLAGS = -fpic \
 	      -Wall \
 	      -Wextra \
-	      -Wno-unused-parameter \
-	      -isystem$(top_srcdir)/src/lib/utils
+	      -Wno-unused-parameter
 
 noinst_LIBRARIES = libebus.a