diff --git a/CMakeLists.txt b/CMakeLists.txt
index d84e132..23b1aa5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,6 @@ idf_component_register(
   INCLUDE_DIRS
     "src"
   SRCS
-    "src/FreeRTOS.cpp"
     "src/NimBLE2904.cpp"
     "src/NimBLEAddress.cpp"
     "src/NimBLEAdvertisedDevice.cpp"
diff --git a/CMakeLists.txt_idf3 b/CMakeLists.txt_idf3
index 650f323..c548f90 100644
--- a/CMakeLists.txt_idf3
+++ b/CMakeLists.txt_idf3
@@ -5,7 +5,6 @@ cmake_minimum_required(VERSION 3.5)
 set(SUPPORTED_TARGETS esp32)
 
 set(COMPONENT_SRCS
-    "src/FreeRTOS.cpp"
     "src/NimBLE2904.cpp"
     "src/NimBLEAddress.cpp"
     "src/NimBLEAdvertisedDevice.cpp"