diff --git a/include/spdk/env.h b/include/spdk/env.h
index 9c168aefa..3e2018ac8 100644
--- a/include/spdk/env.h
+++ b/include/spdk/env.h
@@ -468,13 +468,6 @@ uint32_t spdk_env_get_core_count(void);
  */
 uint32_t spdk_env_get_current_core(void);
 
-/**
- * Get the index of the primary dedicated CPU core for this application.
- *
- * \return the index of the primary dedicated CPU core.
- */
-uint32_t spdk_env_get_primary_core(void);
-
 /**
  * Get the index of the first dedicated CPU core for this application.
  *
diff --git a/lib/env_dpdk/spdk_env_dpdk.map b/lib/env_dpdk/spdk_env_dpdk.map
index be2f27feb..a465f0938 100644
--- a/lib/env_dpdk/spdk_env_dpdk.map
+++ b/lib/env_dpdk/spdk_env_dpdk.map
@@ -33,7 +33,6 @@
 	spdk_mempool_lookup;
 	spdk_env_get_core_count;
 	spdk_env_get_current_core;
-	spdk_env_get_primary_core;
 	spdk_env_get_first_core;
 	spdk_env_get_last_core;
 	spdk_env_get_next_core;
diff --git a/lib/env_dpdk/threads.c b/lib/env_dpdk/threads.c
index 8831b8c38..01c7b8d9f 100644
--- a/lib/env_dpdk/threads.c
+++ b/lib/env_dpdk/threads.c
@@ -48,12 +48,6 @@ spdk_env_get_current_core(void)
 	return rte_lcore_id();
 }
 
-uint32_t
-spdk_env_get_primary_core(void)
-{
-	return rte_get_master_lcore();
-}
-
 uint32_t
 spdk_env_get_first_core(void)
 {