diff --git a/include/spdk/event.h b/include/spdk/event.h
index d367df0d3..1ad8c9528 100644
--- a/include/spdk/event.h
+++ b/include/spdk/event.h
@@ -183,20 +183,6 @@ int spdk_app_parse_core_mask(const char *mask, struct spdk_cpuset *cpumask);
  */
 struct spdk_cpuset *spdk_app_get_core_mask(void);
 
-/**
- * Get the number of CPU cores utilized by this application
- *
- * \return the number of the utilized CPU cores.
- */
-int spdk_app_get_core_count(void) __attribute__((deprecated));
-
-/**
- * Get the lcore of the current thread.
- *
- * \return the lcore of the current thread.
- */
-uint32_t spdk_app_get_current_core(void) __attribute__((deprecated));
-
 #define SPDK_APP_GETOPT_STRING "c:de:hi:m:n:p:qr:s:t:"
 
 /**
diff --git a/lib/event/reactor.c b/lib/event/reactor.c
index 11fa870fa..56c356aea 100644
--- a/lib/event/reactor.c
+++ b/lib/event/reactor.c
@@ -548,18 +548,6 @@ spdk_reactor_construct(struct spdk_reactor *reactor, uint32_t lcore, uint64_t ma
 	reactor->event_mempool = g_spdk_event_mempool[reactor->socket_id];
 }
 
-int
-spdk_app_get_core_count(void)
-{
-	return spdk_env_get_core_count();
-}
-
-uint32_t
-spdk_app_get_current_core(void)
-{
-	return spdk_env_get_current_core();
-}
-
 int
 spdk_app_parse_core_mask(const char *mask, struct spdk_cpuset *cpumask)
 {