diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a0014b..cd77a93 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,6 @@ enable_testing()
 add_library(calculator src/calculator.c)
 target_include_directories(calculator PUBLIC include)
 
-add_executable(main src/calculator.c)
 target_include_directories(main PUBLIC include)
 
 add_executable(test_calculator tests/test_calculator.c)