diff --git a/src/log.c b/src/log.c
index 5abaac0..2e57201 100644
--- a/src/log.c
+++ b/src/log.c
@@ -99,6 +99,7 @@ int wolfSSH_LogEnabled(void)
 }
 
 
+#ifdef DEBUG_WOLFSSH
 #ifndef WOLFSSH_NO_DEFAULT_LOGGING_CB
 /* log level string */
 static const char* GetLogStr(enum wolfSSH_LogLevel level)
@@ -133,7 +134,6 @@ static const char* GetLogStr(enum wolfSSH_LogLevel level)
     }
 }
 
-
 void DefaultLoggingCb(enum wolfSSH_LogLevel level, const char *const msgStr)
 {
     char timeStr[24];
@@ -176,3 +176,14 @@ void wolfSSH_Log(enum wolfSSH_LogLevel level, const char *const fmt, ...)
     if (logFunction)
         logFunction(level, msgStr);
 }
+
+#else
+void DefaultLoggingCb(enum wolfSSH_LogLevel level, const char *const msgStr)
+{
+}
+
+void wolfSSH_Log(enum wolfSSH_LogLevel level, const char *const fmt, ...)
+{
+}
+
+#endif  /* DEBUG_WOLFSSH */