diff --git a/components/esp_hw_support/cpu.c b/components/esp_hw_support/cpu.c
index fb67935002..ee4c722cd2 100644
--- a/components/esp_hw_support/cpu.c
+++ b/components/esp_hw_support/cpu.c
@@ -395,11 +395,13 @@ 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)
@@ -466,7 +468,12 @@ 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/test_diram.c b/components/heap/test/test_diram.c
index f31aecb673..c3db5e7c81 100644
--- a/components/heap/test/test_diram.c
+++ b/components/heap/test/test_diram.c
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
 /*
  Tests for D/IRAM support in heap capability allocator
 */
@@ -10,8 +15,7 @@
 
 #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)
 {
     void *attempts[256] = { 0 }; // Allocate up to 256 ALLOC_SZ blocks to exhaust all non-D/IRAM memory temporarily
@@ -74,4 +78,4 @@ TEST_CASE("Allocate D/IRAM as IRAM", "[heap]")
 
     free(iram);
 }
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
+#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
diff --git a/components/heap/test/test_malloc_caps.c b/components/heap/test/test_malloc_caps.c
index 0010327441..e87662ae24 100644
--- a/components/heap/test/test_malloc_caps.c
+++ b/components/heap/test/test_malloc_caps.c
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
 /*
  Tests for the capabilities-based memory allocator.
 */
@@ -13,9 +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]")
 {
@@ -106,8 +108,7 @@ TEST_CASE("Capabilities allocator test", "[heap]")
     free(m1);
     printf("Done.\n");
 }
-#endif
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
+#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 
 #ifdef CONFIG_ESP32_IRAM_AS_8BIT_ACCESSIBLE_MEMORY
 TEST_CASE("IRAM_8BIT capability test", "[heap]")
@@ -170,11 +171,10 @@ 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...
 */
+#ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 static IRAM_ATTR __attribute__((noinline)) bool iram_malloc_test(void)
 {
     spi_flash_guard_get()->start(); // Disables flash cache
@@ -196,7 +196,7 @@ TEST_CASE("heap_caps_xxx functions work with flash cache disabled", "[heap]")
 {
     TEST_ASSERT( iram_malloc_test() );
 }
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
+#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
 
 #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/test_realloc.c b/components/heap/test/test_realloc.c
index c106c57f19..9a25d4fbfa 100644
--- a/components/heap/test/test_realloc.c
+++ b/components/heap/test/test_realloc.c
@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
 /*
  Generic test for realloc
 */
@@ -23,8 +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]")
 {
@@ -64,5 +67,4 @@ TEST_CASE("realloc move data to a new heap type", "[heap]")
 
     free(c);
 }
-#endif
-#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
+#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index c55f336cdb..6db0ab75d0 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -787,12 +787,9 @@ components/heap/include/esp_heap_trace.h
 components/heap/include/heap_memory_layout.h
 components/heap/test/test_aligned_alloc_caps.c
 components/heap/test/test_allocator_timings.c
-components/heap/test/test_diram.c
 components/heap/test/test_heap_trace.c
 components/heap/test/test_leak.c
 components/heap/test/test_malloc.c
-components/heap/test/test_malloc_caps.c
-components/heap/test/test_realloc.c
 components/heap/test/test_runtime_heap_reg.c
 components/heap/test_multi_heap_host/main.cpp
 components/heap/test_multi_heap_host/test_multi_heap.cpp
diff --git a/tools/unit-test-app/configs/default_3_c2 b/tools/unit-test-app/configs/default_3_c2
index af8e5fbf11..b978fc45ac 100644
--- a/tools/unit-test-app/configs/default_3_c2
+++ b/tools/unit-test-app/configs/default_3_c2
@@ -1,3 +1,4 @@
 # This config is split between targets since different component needs to be included
 CONFIG_IDF_TARGET="esp32c2"
 TEST_EXCLUDE_COMPONENTS=app_trace bootloader_support console efuse esp_common esp_eth esp_event esp_hid esp_http_client esp_http_server esp_netif esp_phy esp_ringbuf esp_rom esp_wifi espcoredump hal lwip mbedtls mdns mqtt newlib nvs_flash partition_table protocomm sdmmc spiffs freertos esp_hw_support esp_ipc esp_system esp_timer driver heap pthread soc spi_flash vfs
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n # for c2 this config must be disabled for certain tests
diff --git a/tools/unit-test-app/configs/default_c2 b/tools/unit-test-app/configs/default_c2
index d99387e17e..5bdd529e6a 100644
--- a/tools/unit-test-app/configs/default_c2
+++ b/tools/unit-test-app/configs/default_c2
@@ -1,3 +1,4 @@
 # This config is split between targets since different component needs to be included
 CONFIG_IDF_TARGET="esp32c2"
 TEST_COMPONENTS=freertos esp_hw_support esp_ipc esp_system esp_timer driver heap pthread soc spi_flash vfs
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n # for c2 this config must be disabled for certain tests
diff --git a/tools/unit-test-app/configs/heap_light_poison_c2 b/tools/unit-test-app/configs/heap_light_poison_c2
index 1c165b4765..4b95d36384 100644
--- a/tools/unit-test-app/configs/heap_light_poison_c2
+++ b/tools/unit-test-app/configs/heap_light_poison_c2
@@ -2,3 +2,4 @@ CONFIG_IDF_TARGET="esp32c2"
 TEST_COMPONENTS=heap
 CONFIG_HEAP_POISONING_COMPREHENSIVE=n
 CONFIG_HEAP_POISONING_LIGHT=y
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n # for c2 this config must be disabled for certain tests
diff --git a/tools/unit-test-app/configs/release_c2 b/tools/unit-test-app/configs/release_c2
index 820ad4f26e..5348110bb5 100644
--- a/tools/unit-test-app/configs/release_c2
+++ b/tools/unit-test-app/configs/release_c2
@@ -3,3 +3,4 @@ TEST_COMPONENTS=freertos esp_hw_support esp_system esp_ipc esp_timer driver heap
 CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
 CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n # for c2 this config must be disabled for certain tests