diff --git a/third_party/etc2comp/CMakeLists.txt b/third_party/etc2comp/CMakeLists.txt
index 6a6392be0e..bba5428222 100644
--- a/third_party/etc2comp/CMakeLists.txt
+++ b/third_party/etc2comp/CMakeLists.txt
@@ -16,14 +16,4 @@ cmake_minimum_required(VERSION 2.8.9)
 project(EtcTest)
 
 set (CMAKE_CXX_STANDARD 11)
-IF (APPLE)
-	set (CMAKE_CXX_FLAGS "-I/usr/include/i386-linux-gnu/c++/4.8 -I/usr/include/c++/4.8 -std=c++11 -g3 -Wall -O3")
-ELSE ()
-	IF (WIN32)
-		set (CMAKE_CXX_FLAGS "-I/usr/include/i386-linux-gnu/c++/4.8 -I/usr/include/c++/4.8 -W4 /EHsc")
-	ELSE()
-		set (CMAKE_CXX_FLAGS "-I/usr/include/i386-linux-gnu/c++/4.8 -I/usr/include/c++/4.8 -std=c++11 -pthread -g3 -Wall -O2")
-	ENDIF()
-ENDIF ()
 ADD_SUBDIRECTORY(EtcLib)
-ADD_SUBDIRECTORY(EtcTool)
diff --git a/third_party/etc2comp/tnt/README b/third_party/etc2comp/tnt/README
index 1fdcd5295c..5adfe8f225 100644
--- a/third_party/etc2comp/tnt/README
+++ b/third_party/etc2comp/tnt/README
@@ -1,10 +1,18 @@
 This folder was created as follows:
 
+(1)
+
     curl -L -O https://github.com/google/etc2comp/archive/9cd0f9c.zip
     unzip 9cd0f9c.zip
     mv etc2comp-* etc2comp
 
-Then, add this line to EtcLib/CMakeLists.txt:
+(2)
+
+Remove the outer IF block and the EtcTool line from CMakeLists.txt
+
+(3)
+
+Add this line to EtcLib/CMakeLists.txt:
 
     target_include_directories(EtcLib PUBLIC Etc EtcCodec)