diff --git a/include/spdk/log.h b/include/spdk/log.h
index 92c899ff1..9812e2783 100644
--- a/include/spdk/log.h
+++ b/include/spdk/log.h
@@ -95,26 +95,6 @@ void spdk_log_set_level(enum spdk_log_level level);
  */
 enum spdk_log_level spdk_log_get_level(void);
 
-/**
- * Set the log level threshold to include stack trace in log messages.
- * Messages with a higher level than this will not contain stack trace. You
- * can use \c SPDK_LOG_DISABLED to completely disable stack trace printing
- * even if it is supported.
- *
- * \note This function has no effect if SPDK is built without stack trace
- *  printing support.
- *
- * \param level Log level threshold for stacktrace.
- */
-void spdk_log_set_backtrace_level(enum spdk_log_level level);
-
-/**
- * Get the current log level threshold for showing stack trace in log message.
- *
- * \return the current log level threshold for stack trace.
- */
-enum spdk_log_level spdk_log_get_backtrace_level(void);
-
 /**
  * Set the current log level threshold for printing to stderr.
  * Messages with a level less than or equal to this level
diff --git a/include/spdk_internal/log.h b/include/spdk_internal/log.h
index 0993d1016..3a14ec652 100644
--- a/include/spdk_internal/log.h
+++ b/include/spdk_internal/log.h
@@ -44,7 +44,6 @@
 
 extern enum spdk_log_level g_spdk_log_level;
 extern enum spdk_log_level g_spdk_log_print_level;
-extern enum spdk_log_level g_spdk_log_backtrace_level;
 
 struct spdk_log_flag {
 	TAILQ_ENTRY(spdk_log_flag) tailq;