diff --git a/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c b/nfapi/open-nFAPI/nfapi/src/nfapi_p7.c
index 4214fbf5fe..910970e953 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 19dcfa9caa..9eff945e30 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");