diff --git a/test/Makefile b/test/Makefile
index 366409a..be026b6 100755
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,5 @@
 all: testp demo
 testp:
-	g++ -o test_performance test_performance.cpp -std=c++0x -O3 -pg
+	g++ -o test_performance test_performance.cpp -std=c++0x -O3
 demo:
 	g++ -o segment.demo segment.cpp -std=c++0x -L/usr/lib/CppJieba -lcppjieba