diff --git a/CMakeLists.txt b/CMakeLists.txt
deleted file mode 100644
index 2927b7dc..00000000
--- a/CMakeLists.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-# The following lines of boilerplate have to be in your project's CMakeLists
-# in this exact order for cmake to work correctly
-cmake_minimum_required(VERSION 3.5)
-
-include($ENV{IDF_PATH}/tools/cmake/project.cmake)
-project(squeezelite)
diff --git a/README.md b/README.md
index 9cde7c73..f95776d8 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ Adding squeezelite
  - change <esp-idf>\components\partition_table\partitions_singleapp.csv to 2M instead of 1M (or more)
  - change flash's size in serial flash config to 16M
  - change main stack size to 8000 as well (for app_main which is slimproto)
+ - use old "make" environment no CMake
   
 # Wifi SCAN Example
 
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
deleted file mode 100644
index e6be577f..00000000
--- a/main/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-cmake_minimum_required(VERSION 3.5)
-set(COMPONENT_SRCS "scan.c")
-set(COMPONENT_ADD_INCLUDEDIRS ".")
-
-register_component()