diff --git a/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c b/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c
index 4214fbf5fec81977dd57b6c46570ad6fb42ba8c3..910970e9536197ed5375fa1f7eaccf99f766b781 100755
--- a/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c
+++ b/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c
@@ -37,6 +37,7 @@
 #include <nfapi.h>
 #include <debug.h>
 
+__attribute__((unused))
 static const char *hexdump(const void *data, size_t data_len, char *out, size_t out_len)
 {
     char *p = out;
diff --git a/openair2/PHY_INTERFACE/phy_stub_UE.c b/openair2/PHY_INTERFACE/phy_stub_UE.c
index 19dcfa9caa6a9c024b446cf5ff120d4fd28ccb9f..9eff945e3052123aa0dee3e4c046e7b06035ca47 100644
--- a/openair2/PHY_INTERFACE/phy_stub_UE.c
+++ b/openair2/PHY_INTERFACE/phy_stub_UE.c
@@ -1301,6 +1301,7 @@ const char *hexdump(const void *data, size_t data_len, char *out, size_t out_len
     return out;
 }
 
+__attribute__((unused))
 static void print_rx_ind(nfapi_rx_indication_t *p)
 {
   printf("Printing RX_IND fields\n");