diff --git a/include/spdk/thread.h b/include/spdk/thread.h
index c40780036..a806c3de9 100644
--- a/include/spdk/thread.h
+++ b/include/spdk/thread.h
@@ -107,29 +107,6 @@ typedef void (*spdk_thread_pass_msg)(spdk_msg_fn fn, void *ctx,
  */
 typedef int (*spdk_poller_fn)(void *ctx);
 
-/**
- * Function to be called to start a poller for the thread.
- *
- * \param thread_ctx Context for the thread.
- * \param fn Callback function for a poller.
- * \param arg Argument passed to callback.
- * \param period_microseconds Polling period in microseconds.
- *
- * \return a pointer to the poller on success, or NULL on failure.
- */
-typedef struct spdk_poller *(*spdk_start_poller)(void *thread_ctx,
-		spdk_poller_fn fn,
-		void *arg,
-		uint64_t period_microseconds);
-
-/**
- * Function to be called to stop a poller.
- *
- * \param poller Poller to stop.
- * \param thread_ctx Context for the thread.
- */
-typedef void (*spdk_stop_poller)(struct spdk_poller *poller, void *thread_ctx);
-
 /**
  * Callback function to set poller into interrupt mode or back to poll mode.
  *