diff --git a/src/ble/sm.c b/src/ble/sm.c
index 9755ab6a7..03364a500 100644
--- a/src/ble/sm.c
+++ b/src/ble/sm.c
@@ -416,9 +416,6 @@ static void sm_handle_random_result_sc_get_random(void * arg);
 static int sm_passkey_entry(stk_generation_method_t method);
 #endif
 static void sm_notify_client_status_reason(sm_connection_t * sm_conn, uint8_t status, uint8_t reason);
-#ifdef ENABLE_LE_SECURE_CONNECTIONS
-static int sm_passkey_entry(stk_generation_method_t method);
-#endif
 
 static void log_info_hex16(const char * name, uint16_t value){
     log_info("%-6s 0x%04x", name, value);