diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 42acab1..b421ee7 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -10,6 +10,3 @@ target_link_libraries(calc2 pthread)
 
 add_executable(calc3 calc3.cc)
 target_link_libraries(calc3 pthread)
-
-add_executable(calc_readme calc_readme.cc)
-target_link_libraries(calc_readme pthread)