diff --git a/test/Files_Core/read_nonexistent_attribute.cpp b/test/Files_Core/read_nonexistent_attribute.cpp
index 08d584d0fc..f4025db627 100644
--- a/test/Files_Core/read_nonexistent_attribute.cpp
+++ b/test/Files_Core/read_nonexistent_attribute.cpp
@@ -20,8 +20,6 @@
  * If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <catch2/catch_tostring.hpp>
-
 #if !openPMD_USE_INVASIVE_TESTS
 
 namespace read_nonexistent_attribute