diff --git a/modules/grpc/loki/Makefile.am b/modules/grpc/loki/Makefile.am
index 79d1bfee5..c374797e7 100644
--- a/modules/grpc/loki/Makefile.am
+++ b/modules/grpc/loki/Makefile.am
@@ -34,7 +34,6 @@ modules_grpc_loki_libloki_la_SOURCES = \
 modules_grpc_loki_libloki_la_CPPFLAGS = \
   $(AM_CPPFLAGS) \
   $(GRPC_COMMON_CFLAGS) \
-  -I$(top_srcdir)/modules/grpc \
   -I$(top_srcdir)/modules/grpc/loki \
   -I$(top_builddir)/modules/grpc/loki \
   -I$(top_srcdir)/modules/grpc