diff --git a/Dev/Cpp/EffekseerRendererGL/CMakeLists.txt b/Dev/Cpp/EffekseerRendererGL/CMakeLists.txt
index c3602ee0bb..f598c1458a 100644
--- a/Dev/Cpp/EffekseerRendererGL/CMakeLists.txt
+++ b/Dev/Cpp/EffekseerRendererGL/CMakeLists.txt
@@ -12,16 +12,6 @@ list(APPEND LOCAL_SOURCES_Common
 
 source_group("EffekseerRendererCommon" FILES ${LOCAL_SOURCES_Common})
 
-list(REMOVE_ITEM LOCAL_SOURCES_Common
-    ${PROJECT_SOURCE_DIR}/../EffekseerRendererCommon/EffekseerRenderer.DXTK.DDSTextureLoader.cpp
-    ${PROJECT_SOURCE_DIR}/../EffekseerRendererCommon/EffekseerRenderer.DXTK.DDSTextureLoader.h
-)
-
-list(REMOVE_ITEM LOCAL_SOURCES_Common
-    ${PROJECT_SOURCE_DIR}/../EffekseerRendererCommon/EffekseerRenderer.PngTextureLoader.cpp
-    ${PROJECT_SOURCE_DIR}/../EffekseerRendererCommon/EffekseerRenderer.PngTextureLoader.h
-)
-
 file(GLOB_RECURSE LOCAL_HEADERS_GL *.h)
 file(GLOB_RECURSE LOCAL_SOURCES_GL *.cpp)
 list(APPEND LOCAL_HEADERS_GL ../EffekseerMaterialCompiler/OpenGL/EffekseerMaterialCompilerGL.h)
diff --git a/Dev/Cpp/EffekseerRendererMetal/CMakeLists.txt b/Dev/Cpp/EffekseerRendererMetal/CMakeLists.txt
index 10af60944d..d27b70c6d0 100644
--- a/Dev/Cpp/EffekseerRendererMetal/CMakeLists.txt
+++ b/Dev/Cpp/EffekseerRendererMetal/CMakeLists.txt
@@ -17,10 +17,6 @@ endif()
 
 file(GLOB_RECURSE LOCAL_SOURCES_Common ../EffekseerRendererCommon/*.h ../EffekseerRendererCommon/*.cpp)
 
-list(REMOVE_ITEM LOCAL_SOURCES_Common
-  ${CMAKE_CURRENT_SOURCE_DIR}/../EffekseerRendererCommon/EffekseerRenderer.DXTK.DDSTextureLoader.cpp
-)
-
 source_group("EffekseerRendererCommon" FILES ${LOCAL_SOURCES_Common})
 
 file(GLOB_RECURSE LOCAL_HEADERS_Metal *.h)