diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1206066..d095484 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -228,7 +228,7 @@ IF(NOT CMAKE_BUILD_TYPE)
   SET(CMAKE_BUILD_TYPE "Release")
 ENDIF()
 
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -funroll-loops -ftree-vectorizer-verbose")
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -funroll-loops")
 
 ADD_DEFINITIONS(
   -DQT_NO_CAST_TO_ASCII