diff --git a/.gitignore b/.gitignore
index 07ed706..8a7551a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
+gmon.out
 build/*
\ No newline at end of file
diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 2410c31..3aea297 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -1,6 +1,6 @@
 set(PROJECT_NAME ${CMAKE_PROJECT_NAME})
 set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_FLAGS "-O2 -pg")
+set(CMAKE_CXX_FLAGS "-O2")
 set(ENV{MAKEFLAGS} "-j16")
 include_directories(${PROJECT_SOURCE_DIR}/include)
 link_directories(${PROJECT_SOURCE_DIR}/src)
diff --git a/gmon.out b/gmon.out
deleted file mode 100644
index 1441706..0000000
Binary files a/gmon.out and /dev/null differ
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ae73419..accb036 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(PROJECT_NAME ${CMAKE_PROJECT_NAME})
 set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_FLAGS "-O2 -pg")
+set(CMAKE_CXX_FLAGS "-O2")
 include_directories(${PROJECT_SOURCE_DIR}/include)
 add_library(int2048 STATIC int2048.cpp)
\ No newline at end of file