diff --git a/lib/env_dpdk/env_internal.h b/lib/env_dpdk/env_internal.h
index 66f4a7a78..1c4401dbb 100644
--- a/lib/env_dpdk/env_internal.h
+++ b/lib/env_dpdk/env_internal.h
@@ -74,7 +74,6 @@ struct spdk_pci_enum_ctx {
 	struct rte_pci_driver	driver;
 	spdk_pci_enum_cb	cb_fn;
 	void			*cb_arg;
-	pthread_mutex_t		mtx;
 	bool			is_registered;
 };
 
diff --git a/lib/env_dpdk/pci.c b/lib/env_dpdk/pci.c
index b94bc424a..608df3b06 100644
--- a/lib/env_dpdk/pci.c
+++ b/lib/env_dpdk/pci.c
@@ -40,6 +40,8 @@
 #define PCI_CFG_SIZE		256
 #define PCI_EXT_CAP_ID_SN	0x03
 
+static pthread_mutex_t g_pci_mutex = PTHREAD_MUTEX_INITIALIZER;
+
 int
 spdk_pci_device_init(struct rte_pci_driver *driver,
 		     struct rte_pci_device *device)
@@ -122,7 +124,7 @@ spdk_pci_device_attach(struct spdk_pci_enum_ctx *ctx,
 	addr.function = pci_address->func;
 #endif
 
-	pthread_mutex_lock(&ctx->mtx);
+	pthread_mutex_lock(&g_pci_mutex);
 
 	if (!ctx->is_registered) {
 		ctx->is_registered = true;
@@ -147,13 +149,13 @@ spdk_pci_device_attach(struct spdk_pci_enum_ctx *ctx,
 #endif
 		ctx->cb_arg = NULL;
 		ctx->cb_fn = NULL;
-		pthread_mutex_unlock(&ctx->mtx);
+		pthread_mutex_unlock(&g_pci_mutex);
 		return -1;
 	}
 
 	ctx->cb_arg = NULL;
 	ctx->cb_fn = NULL;
-	pthread_mutex_unlock(&ctx->mtx);
+	pthread_mutex_unlock(&g_pci_mutex);
 
 	return 0;
 }
@@ -167,7 +169,7 @@ spdk_pci_enumerate(struct spdk_pci_enum_ctx *ctx,
 		   spdk_pci_enum_cb enum_cb,
 		   void *enum_ctx)
 {
-	pthread_mutex_lock(&ctx->mtx);
+	pthread_mutex_lock(&g_pci_mutex);
 
 	if (!ctx->is_registered) {
 		ctx->is_registered = true;
@@ -190,13 +192,13 @@ spdk_pci_enumerate(struct spdk_pci_enum_ctx *ctx,
 #endif
 		ctx->cb_arg = NULL;
 		ctx->cb_fn = NULL;
-		pthread_mutex_unlock(&ctx->mtx);
+		pthread_mutex_unlock(&g_pci_mutex);
 		return -1;
 	}
 
 	ctx->cb_arg = NULL;
 	ctx->cb_fn = NULL;
-	pthread_mutex_unlock(&ctx->mtx);
+	pthread_mutex_unlock(&g_pci_mutex);
 
 	return 0;
 }
diff --git a/lib/env_dpdk/pci_ioat.c b/lib/env_dpdk/pci_ioat.c
index b96402830..d06801605 100644
--- a/lib/env_dpdk/pci_ioat.c
+++ b/lib/env_dpdk/pci_ioat.c
@@ -105,7 +105,6 @@ static struct spdk_pci_enum_ctx g_ioat_pci_drv = {
 
 	.cb_fn = NULL,
 	.cb_arg = NULL,
-	.mtx = PTHREAD_MUTEX_INITIALIZER,
 	.is_registered = false,
 };
 
diff --git a/lib/env_dpdk/pci_nvme.c b/lib/env_dpdk/pci_nvme.c
index 4f3b84d1f..a6d6e5fb3 100644
--- a/lib/env_dpdk/pci_nvme.c
+++ b/lib/env_dpdk/pci_nvme.c
@@ -71,7 +71,6 @@ static struct spdk_pci_enum_ctx g_nvme_pci_drv = {
 
 	.cb_fn = NULL,
 	.cb_arg = NULL,
-	.mtx = PTHREAD_MUTEX_INITIALIZER,
 	.is_registered = false,
 };
 
diff --git a/lib/env_dpdk/pci_virtio.c b/lib/env_dpdk/pci_virtio.c
index 1fcb80d78..18067da95 100644
--- a/lib/env_dpdk/pci_virtio.c
+++ b/lib/env_dpdk/pci_virtio.c
@@ -62,7 +62,6 @@ static struct spdk_pci_enum_ctx g_virtio_pci_drv = {
 
 	.cb_fn = NULL,
 	.cb_arg = NULL,
-	.mtx = PTHREAD_MUTEX_INITIALIZER,
 	.is_registered = false,
 };