diff --git a/nimble/host/services/bleuart/src/bleuart.c b/nimble/host/services/bleuart/src/bleuart.c
index 570322450..866595ede 100644
--- a/nimble/host/services/bleuart/src/bleuart.c
+++ b/nimble/host/services/bleuart/src/bleuart.c
@@ -28,6 +28,7 @@
 #include "bleuart/bleuart.h"
 #include "os/endian.h"
 #include "console/console.h"
+#include "esp_nimble_mem.h"
 
 /* ble uart attr read handle */
 uint16_t g_bleuart_attr_read_handle;
@@ -198,6 +199,6 @@ bleuart_init(void)
     rc = console_init(bleuart_uart_read);
     SYSINIT_PANIC_ASSERT(rc == 0);
 
-    console_buf = malloc(MYNEWT_VAL(BLEUART_MAX_INPUT));
+    console_buf = nimble_platform_mem_malloc(MYNEWT_VAL(BLEUART_MAX_INPUT));
     SYSINIT_PANIC_ASSERT(console_buf != NULL);
 }
diff --git a/nimble/host/src/ble_att_svr.c b/nimble/host/src/ble_att_svr.c
index 0cf9b040a..f00b2cb00 100644
--- a/nimble/host/src/ble_att_svr.c
+++ b/nimble/host/src/ble_att_svr.c
@@ -25,6 +25,7 @@
 #include "nimble/ble.h"
 #include "host/ble_uuid.h"
 #include "ble_hs_priv.h"
+#include "esp_nimble_mem.h"
 
 #if NIMBLE_BLE_CONNECT
 /**
@@ -2710,7 +2711,7 @@ ble_att_svr_reset(void)
 static void
 ble_att_svr_free_start_mem(void)
 {
-    free(ble_att_svr_entry_mem);
+    nimble_platform_mem_free(ble_att_svr_entry_mem);
     ble_att_svr_entry_mem = NULL;
 }
 
@@ -2722,7 +2723,7 @@ ble_att_svr_start(void)
     ble_att_svr_free_start_mem();
 
     if (ble_hs_max_attrs > 0) {
-        ble_att_svr_entry_mem = malloc(
+        ble_att_svr_entry_mem = nimble_platform_mem_malloc(
             OS_MEMPOOL_BYTES(ble_hs_max_attrs,
                              sizeof (struct ble_att_svr_entry)));
         if (ble_att_svr_entry_mem == NULL) {
diff --git a/nimble/host/src/ble_gatts.c b/nimble/host/src/ble_gatts.c
index a465e9445..1ed45b36e 100644
--- a/nimble/host/src/ble_gatts.c
+++ b/nimble/host/src/ble_gatts.c
@@ -25,6 +25,7 @@
 #include "host/ble_uuid.h"
 #include "host/ble_store.h"
 #include "ble_hs_priv.h"
+#include "esp_nimble_mem.h"
 
 #define BLE_GATTS_INCLUDE_SZ    6
 #define BLE_GATTS_CHR_MAX_SZ    19
@@ -1155,7 +1156,7 @@ ble_gatts_connection_broken(uint16_t conn_handle)
 static void
 ble_gatts_free_svc_defs(void)
 {
-    free(ble_gatts_svc_defs);
+    nimble_platform_mem_free(ble_gatts_svc_defs);
     ble_gatts_svc_defs = NULL;
     ble_gatts_num_svc_defs = 0;
 }
@@ -1163,10 +1164,10 @@ ble_gatts_free_svc_defs(void)
 static void
 ble_gatts_free_mem(void)
 {
-    free(ble_gatts_clt_cfg_mem);
+    nimble_platform_mem_free(ble_gatts_clt_cfg_mem);
     ble_gatts_clt_cfg_mem = NULL;
 
-    free(ble_gatts_svc_entries);
+    nimble_platform_mem_free(ble_gatts_svc_entries);
     ble_gatts_svc_entries = NULL;
 }
 
@@ -1210,7 +1211,7 @@ ble_gatts_start(void)
     }
 
     if (ble_hs_max_client_configs > 0) {
-        ble_gatts_clt_cfg_mem = malloc(
+        ble_gatts_clt_cfg_mem = nimble_platform_mem_malloc(
             OS_MEMPOOL_BYTES(ble_hs_max_client_configs,
                              sizeof (struct ble_gatts_clt_cfg)));
         if (ble_gatts_clt_cfg_mem == NULL) {
@@ -1221,7 +1222,7 @@ ble_gatts_start(void)
 
     if (ble_hs_max_services > 0) {
         ble_gatts_svc_entries =
-            malloc(ble_hs_max_services * sizeof *ble_gatts_svc_entries);
+            nimble_platform_mem_malloc(ble_hs_max_services * sizeof *ble_gatts_svc_entries);
         if (ble_gatts_svc_entries == NULL) {
             rc = BLE_HS_ENOMEM;
             goto done;
diff --git a/porting/nimble/src/mem.c b/porting/nimble/src/mem.c
index a56fa1710..738763cc3 100644
--- a/porting/nimble/src/mem.c
+++ b/porting/nimble/src/mem.c
@@ -20,6 +20,7 @@
 #include <stdlib.h>
 #include "os/os.h"
 #include "mem/mem.h"
+#include "esp_nimble_mem.h"
 
 /**
  * Generic mempool allocation function.  Used with basic and extended mempools.
@@ -31,7 +32,7 @@ mem_malloc_mempool_gen(uint16_t num_blocks, uint32_t block_size,
     block_size = OS_ALIGN(block_size, OS_ALIGNMENT);
 
     if (num_blocks > 0) {
-        *out_buf = malloc(OS_MEMPOOL_BYTES(num_blocks, block_size));
+        *out_buf = nimble_platform_mem_malloc(OS_MEMPOOL_BYTES(num_blocks, block_size));
         if (*out_buf == NULL) {
             return OS_ENOMEM;
         }
@@ -72,7 +73,7 @@ mem_malloc_mempool(struct os_mempool *mempool, uint16_t num_blocks,
 
     rc = os_mempool_init(mempool, num_blocks, block_size, buf, name);
     if (rc != 0) {
-        free(buf);
+        nimble_platform_mem_free(buf);
         return rc;
     }
 
@@ -113,7 +114,7 @@ mem_malloc_mempool_ext(struct os_mempool_ext *mpe, uint16_t num_blocks,
 
     rc = os_mempool_ext_init(mpe, num_blocks, block_size, buf, name);
     if (rc != 0) {
-        free(buf);
+        nimble_platform_mem_free(buf);
         return rc;
     }
 
@@ -160,7 +161,7 @@ mem_malloc_mbuf_pool(struct os_mempool *mempool,
 
     rc = os_mbuf_pool_init(mbuf_pool, mempool, block_size, num_blocks);
     if (rc != 0) {
-        free(buf);
+        nimble_platform_mem_free(buf);
         return rc;
     }
 
diff --git a/porting/nimble/src/os_msys_init.c b/porting/nimble/src/os_msys_init.c
index 2b9ca029f..597d6ed5e 100644
--- a/porting/nimble/src/os_msys_init.c
+++ b/porting/nimble/src/os_msys_init.c
@@ -21,6 +21,7 @@
 #include "os/os.h"
 #include "mem/mem.h"
 #include "sysinit/sysinit.h"
+#include "esp_nimble_mem.h"
 
 static STAILQ_HEAD(, os_mbuf_pool) g_msys_pool_list =
     STAILQ_HEAD_INITIALIZER(g_msys_pool_list);
@@ -122,14 +123,14 @@ int
 os_msys_buf_alloc(void)
 {
 #if MYNEWT_VAL(MSYS_1_BLOCK_COUNT) > 0
-    os_msys_init_1_data = (os_membuf_t *)calloc(1, (sizeof(os_membuf_t) * SYSINIT_MSYS_1_MEMPOOL_SIZE));
+    os_msys_init_1_data = (os_membuf_t *)nimble_platform_mem_calloc(1, (sizeof(os_membuf_t) * SYSINIT_MSYS_1_MEMPOOL_SIZE));
     if (!os_msys_init_1_data) {
         return -1;
     }
 #endif
 
 #if MYNEWT_VAL(MSYS_2_BLOCK_COUNT) > 0
-    os_msys_init_2_data = (os_membuf_t *)calloc(1, (sizeof(os_membuf_t) * SYSINIT_MSYS_2_MEMPOOL_SIZE));
+    os_msys_init_2_data = (os_membuf_t *)nimble_platform_mem_calloc(1, (sizeof(os_membuf_t) * SYSINIT_MSYS_2_MEMPOOL_SIZE));
     if (!os_msys_init_2_data) {
         return -1;
     }
@@ -142,12 +143,12 @@ void
 os_msys_buf_free(void)
 {
 #if MYNEWT_VAL(MSYS_1_BLOCK_COUNT) > 0
-    free(os_msys_init_1_data);
+    nimble_platform_mem_free(os_msys_init_1_data);
     os_msys_init_1_data = NULL;
 #endif
 
 #if MYNEWT_VAL(MSYS_2_BLOCK_COUNT) > 0
-    free(os_msys_init_2_data);
+    nimble_platform_mem_free(os_msys_init_2_data);
     os_msys_init_2_data = NULL;
 #endif