diff --git a/configs/open5gs/smf.yaml.in b/configs/open5gs/smf.yaml.in
index 311ef8397..a0e680aff 100644
--- a/configs/open5gs/smf.yaml.in
+++ b/configs/open5gs/smf.yaml.in
@@ -361,7 +361,7 @@ logger:
 #              mcc: 901
 #              mnc: 70
 #            tac: 99
-# 
+#
 
 smf:
     sbi:
@@ -438,7 +438,7 @@ nrf:
 #  <PFCP Client>>
 #
 #  o PFCP Client(127.0.0.7:8805)
-# 
+#
 #    pfcp:
 #      addr: 127.0.0.7
 #
diff --git a/lib/diameter/common/base.h b/lib/diameter/common/base.h
index 748f3271e..fe04c713c 100644
--- a/lib/diameter/common/base.h
+++ b/lib/diameter/common/base.h
@@ -28,13 +28,13 @@
 extern "C" {
 #endif
 
-/* This is default diameter configuration if there is no config file 
+/* This is default diameter configuration if there is no config file
  * The Configuration : No TLS, Only TCP */
 typedef struct ogs_diam_config_s {
     /* Diameter Identity of the local peer (FQDN -- ASCII) */
-    const char *cnf_diamid; 
+    const char *cnf_diamid;
     /* Diameter realm of the local peer, default to realm part of cnf_diamid */
-    const char *cnf_diamrlm; 
+    const char *cnf_diamrlm;
     /* IP address of the local peer */
     const char *cnf_addr;
 
@@ -58,10 +58,10 @@ typedef struct ogs_diam_config_s {
     int num_of_ext;
 
 #define MAX_NUM_OF_FD_CONN 16
-    /* (supposedly) UTF-8, \0 terminated. 
+    /* (supposedly) UTF-8, \0 terminated.
      * The Diameter Identity of the remote peer. */
     struct {
-        const char *identity; 
+        const char *identity;
         const char *addr; /* IP address of the remote peer */
         uint16_t port; /* port to connect to. 0: default. */
     } conn[MAX_NUM_OF_FD_CONN];
@@ -75,7 +75,7 @@ void ogs_diam_final(void);
 int ogs_diam_config_init(ogs_diam_config_t *fd_config);
 bool ogs_diam_app_connected(uint32_t app_id);
 
-int fd_avp_search_avp ( struct avp * groupedavp, 
+int fd_avp_search_avp ( struct avp * groupedavp,
         struct dict_object * what, struct avp ** avp );
 
 #ifdef __cplusplus