diff --git a/test/test_main.cpp b/test/test_main.cpp
index 22acdc2f..07f92d9d 100644
--- a/test/test_main.cpp
+++ b/test/test_main.cpp
@@ -36,7 +36,6 @@
 // standard headers
 #include <regex>
 
-#define CATCH_CONFIG_MAIN
 
 using namespace std;