diff --git a/CMLibDisableInSourceBuild.cmake b/CMLibDisableInSourceBuild.cmake
index be6f62b..4e7f2df 100644
--- a/CMLibDisableInSourceBuild.cmake
+++ b/CMLibDisableInSourceBuild.cmake
@@ -12,3 +12,18 @@ if(${_source_realpath} STREQUAL ${_binary_realpath})
    message(FATAL_ERROR "In-source builds are not allowed.")
 endif()
 
+# Очистка от сгенерированных файлов
+file(GLOB_RECURSE _cmakelists_files RELATIVE ${_source_realpath} CMakeLists.txt)
+foreach(_it ${_cmakelists_files})
+  get_filename_component(_file ${_it} REALPATH)
+  get_filename_component(_dir ${_file} DIRECTORY)
+  file(REMOVE_RECURSE
+    ${_dir}/CMakeFiles
+    ${_dir}/CMakeCache.txt
+    ${_dir}/cmake_install.cmake
+    ${_dir}/Makefile
+    ${_dir}/build.ninja
+    ${_dir}/rules.ninja
+    )
+endforeach()
+