diff --git a/components/esp_hw_support/cpu.c b/components/esp_hw_support/cpu.c
index 9e2817c96b..79f2f4cec6 100644
--- a/components/esp_hw_support/cpu.c
+++ b/components/esp_hw_support/cpu.c
@@ -454,11 +454,13 @@ extern int _data_start;
 #define CONDITIONAL_NONE        0x0
 #define CONDITIONAL_RX          PMP_R | PMP_X
 #define CONDITIONAL_RW          PMP_R | PMP_W
+#define CONDITIONAL_RWX         PMP_R | PMP_W | PMP_X
 #else
 // With L bit set
 #define CONDITIONAL_NONE        NONE
 #define CONDITIONAL_RX          RX
 #define CONDITIONAL_RW          RW
+#define CONDITIONAL_RWX         RWX
 #endif
 
 void esp_cpu_configure_region_protection(void)
@@ -525,7 +527,12 @@ void esp_cpu_configure_region_protection(void)
     } else {
         // 1. IRAM
         PMP_ENTRY_SET(0, SOC_DIRAM_IRAM_LOW, CONDITIONAL_NONE);
+
+#if CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT
         PMP_ENTRY_SET(1, IRAM_END, PMP_TOR | CONDITIONAL_RX);
+#else
+        PMP_ENTRY_SET(1, IRAM_END, PMP_TOR | CONDITIONAL_RWX);
+#endif
 
         // 2. DRAM
         PMP_ENTRY_SET(2, DRAM_START, CONDITIONAL_NONE);
diff --git a/components/heap/test_apps/main/test_diram.c b/components/heap/test_apps/main/test_diram.c
index 569139f93b..c3db5e7c81 100644
--- a/components/heap/test_apps/main/test_diram.c
+++ b/components/heap/test_apps/main/test_diram.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -15,8 +15,6 @@
 
 #define ALLOC_SZ 1024
 
-#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
-//IDF-5167
 #ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 static void *malloc_block_diram(uint32_t caps)
 {
@@ -81,4 +79,3 @@ TEST_CASE("Allocate D/IRAM as IRAM", "[heap]")
     free(iram);
 }
 #endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
diff --git a/components/heap/test_apps/main/test_malloc_caps.c b/components/heap/test_apps/main/test_malloc_caps.c
index 2eb69625db..7a925dca49 100644
--- a/components/heap/test_apps/main/test_malloc_caps.c
+++ b/components/heap/test_apps/main/test_malloc_caps.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -18,9 +18,6 @@
 #include <stdlib.h>
 #include <sys/param.h>
 
-
-#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
-//IDF-5167
 #ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 TEST_CASE("Capabilities allocator test", "[heap]")
 {
@@ -112,7 +109,6 @@ TEST_CASE("Capabilities allocator test", "[heap]")
     printf("Done.\n");
 }
 #endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
 
 #ifdef CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY
 TEST_CASE("IRAM_8BIT capability test", "[heap]")
@@ -175,8 +171,6 @@ TEST_CASE("heap_caps metadata test", "[heap]")
     TEST_ASSERT(after.minimum_free_bytes < original.total_free_bytes);
 }
 
-#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
-//IDF-5167
 /* Small function runs from IRAM to check that malloc/free/realloc
    all work OK when cache is disabled...
 */
@@ -203,7 +197,6 @@ TEST_CASE("heap_caps_xxx functions work with flash cache disabled", "[heap]")
     TEST_ASSERT( iram_malloc_test() );
 }
 #endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
 
 #ifdef CONFIG_HEAP_ABORT_WHEN_ALLOCATION_FAILS
 TEST_CASE("When enabled, allocation operation failure generates an abort", "[heap][reset=abort,SW_CPU_RESET]")
diff --git a/components/heap/test_apps/main/test_realloc.c b/components/heap/test_apps/main/test_realloc.c
index d6e91e940d..9a25d4fbfa 100644
--- a/components/heap/test_apps/main/test_realloc.c
+++ b/components/heap/test_apps/main/test_realloc.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -28,8 +28,6 @@ TEST_CASE("realloc shrink buffer in place", "[heap]")
 
 #endif
 
-#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
-//IDF-5167
 #ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 TEST_CASE("realloc shrink buffer with EXEC CAPS", "[heap]")
 {
@@ -70,4 +68,3 @@ TEST_CASE("realloc move data to a new heap type", "[heap]")
     free(c);
 }
 #endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
diff --git a/components/heap/test_apps/sdkconfig.defaults b/components/heap/test_apps/sdkconfig.defaults
index bbd0363cd0..40fc15f7a7 100644
--- a/components/heap/test_apps/sdkconfig.defaults
+++ b/components/heap/test_apps/sdkconfig.defaults
@@ -1,6 +1,7 @@
 CONFIG_COMPILER_DUMP_RTL_FILES=y
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
 CONFIG_ESP_SYSTEM_MEMPROT_FEATURE=n # memory protection needs to be disabled for certain tests
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n # for c2 and c6 this config must be disabled for certain tests
 
 CONFIG_COMPILER_STACK_CHECK_MODE_ALL=y
 CONFIG_COMPILER_STACK_CHECK=y