diff --git a/examples/platform/telink/common/src/AppTaskCommon.cpp b/examples/platform/telink/common/src/AppTaskCommon.cpp
index 37e8bf36d4846a..46f42f0c66c1fd 100644
--- a/examples/platform/telink/common/src/AppTaskCommon.cpp
+++ b/examples/platform/telink/common/src/AppTaskCommon.cpp
@@ -223,7 +223,7 @@ CHIP_ERROR AppTaskCommon::InitCommonParts(void)
 #if APP_SET_NETWORK_COMM_ENDPOINT_SEC
     // We only have network commissioning on endpoint 0.
     // Set up a valid Network Commissioning cluster on endpoint 0 is done in
-    // src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp
+    // src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
     emberAfEndpointEnableDisable(kNetworkCommissioningEndpointSecondary, false);
 #endif
 
diff --git a/src/platform/ESP32/ThreadStackManagerImpl.cpp b/src/platform/ESP32/ThreadStackManagerImpl.cpp
index 5b4a311b48234a..eed07af6d68af1 100644
--- a/src/platform/ESP32/ThreadStackManagerImpl.cpp
+++ b/src/platform/ESP32/ThreadStackManagerImpl.cpp
@@ -28,7 +28,7 @@
 
 #include <platform/ESP32/OpenthreadLauncher.h>
 #include <platform/ESP32/ThreadStackManagerImpl.h>
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 
 #include "driver/uart.h"
 #include "esp_err.h"
diff --git a/src/platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp b/src/platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp
similarity index 100%
rename from src/platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp
rename to src/platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp
diff --git a/src/platform/Infineon/CYW30739/ThreadStackManagerImpl.cpp b/src/platform/Infineon/CYW30739/ThreadStackManagerImpl.cpp
index 747c04990242ca..f0393a795ef63a 100644
--- a/src/platform/Infineon/CYW30739/ThreadStackManagerImpl.cpp
+++ b/src/platform/Infineon/CYW30739/ThreadStackManagerImpl.cpp
@@ -24,7 +24,7 @@
 #include <platform/CHIPDeviceEvent.h>
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 
 #include <lib/support/CHIPPlatformMemory.h>
 #include <openthread-system.h>
diff --git a/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp b/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
similarity index 100%
rename from src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp
rename to src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp
diff --git a/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp b/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp
index 6abc66e2898659..bdbcd624e71804 100644
--- a/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp
+++ b/src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp
@@ -36,7 +36,7 @@
 
 #include <credentials/GroupDataProvider.h>
 
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 
 #include <transport/raw/PeerAddress.h>
 
diff --git a/src/platform/Zephyr/ThreadStackManagerImpl.cpp b/src/platform/Zephyr/ThreadStackManagerImpl.cpp
index e70135de586a07..3cfcfe3b7888b2 100644
--- a/src/platform/Zephyr/ThreadStackManagerImpl.cpp
+++ b/src/platform/Zephyr/ThreadStackManagerImpl.cpp
@@ -24,7 +24,7 @@
 /* this file behaves like a config.h, comes first */
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 #include <platform/Zephyr/ThreadStackManagerImpl.h>
 
 #include <inet/UDPEndPointImpl.h>
diff --git a/src/platform/bouffalolab/BL702/ThreadStackManagerImpl.cpp b/src/platform/bouffalolab/BL702/ThreadStackManagerImpl.cpp
index 469f96eb3dfed3..c4981afe84a656 100644
--- a/src/platform/bouffalolab/BL702/ThreadStackManagerImpl.cpp
+++ b/src/platform/bouffalolab/BL702/ThreadStackManagerImpl.cpp
@@ -17,7 +17,7 @@
 
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp>
+#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
 #include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp>
 
 #include <platform/OpenThread/OpenThreadUtils.h>
diff --git a/src/platform/cc13x2_26x2/ThreadStackManagerImpl.cpp b/src/platform/cc13x2_26x2/ThreadStackManagerImpl.cpp
index ef2a433998bd55..c62fa61460f9fb 100644
--- a/src/platform/cc13x2_26x2/ThreadStackManagerImpl.cpp
+++ b/src/platform/cc13x2_26x2/ThreadStackManagerImpl.cpp
@@ -27,7 +27,7 @@
 /* this file behaves like a config.h, comes first */
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp>
+#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
 #include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread_LwIP.cpp>
 
 #include <mbedtls/platform.h>
diff --git a/src/platform/nxp/k32w/k32w0/ThreadStackManagerImpl.cpp b/src/platform/nxp/k32w/k32w0/ThreadStackManagerImpl.cpp
index af2d7421646739..d525fc4a1e3ee7 100644
--- a/src/platform/nxp/k32w/k32w0/ThreadStackManagerImpl.cpp
+++ b/src/platform/nxp/k32w/k32w0/ThreadStackManagerImpl.cpp
@@ -31,8 +31,8 @@
 #include <platform/OpenThread/OpenThreadUtils.h>
 #include <platform/ThreadStackManager.h>
 
-#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp>
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 
 #include <lib/support/CHIPPlatformMemory.h>
 
diff --git a/src/platform/qpg/ThreadStackManagerImpl.cpp b/src/platform/qpg/ThreadStackManagerImpl.cpp
index aa7a05285db35e..cb6fd0e2ec1289 100644
--- a/src/platform/qpg/ThreadStackManagerImpl.cpp
+++ b/src/platform/qpg/ThreadStackManagerImpl.cpp
@@ -25,8 +25,8 @@
 /* this file behaves like a config.h, comes first */
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp>
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 
 #include <lib/support/CHIPMem.h>
 #include <lib/support/CHIPPlatformMemory.h>
diff --git a/src/platform/silabs/efr32/ThreadStackManagerImpl.cpp b/src/platform/silabs/efr32/ThreadStackManagerImpl.cpp
index aa4add21323c52..83767f9a0e1fb8 100644
--- a/src/platform/silabs/efr32/ThreadStackManagerImpl.cpp
+++ b/src/platform/silabs/efr32/ThreadStackManagerImpl.cpp
@@ -26,8 +26,8 @@
 /* this file behaves like a config.h, comes first */
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.cpp>
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.hpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 #include <platform/OpenThread/OpenThreadUtils.h>
 #include <platform/ThreadStackManager.h>
 
diff --git a/src/platform/telink/ThreadStackManagerImpl.cpp b/src/platform/telink/ThreadStackManagerImpl.cpp
index f4bc4fea5bdfa2..7b56409bba1727 100644
--- a/src/platform/telink/ThreadStackManagerImpl.cpp
+++ b/src/platform/telink/ThreadStackManagerImpl.cpp
@@ -24,7 +24,7 @@
 /* this file behaves like a config.h, comes first */
 #include <platform/internal/CHIPDeviceLayerInternal.h>
 
-#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp>
+#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.hpp>
 #include <platform/telink/ThreadStackManagerImpl.h>
 
 #include <inet/UDPEndPointImpl.h>