diff --git a/src/tests/src/libs/antares/study/short-term-storage-input/short-term-storage-input-output.cpp b/src/tests/src/libs/antares/study/short-term-storage-input/short-term-storage-input-output.cpp
index 573f775287..00c9e6a801 100644
--- a/src/tests/src/libs/antares/study/short-term-storage-input/short-term-storage-input-output.cpp
+++ b/src/tests/src/libs/antares/study/short-term-storage-input/short-term-storage-input-output.cpp
@@ -22,7 +22,6 @@
 
 #define WIN32_LEAN_AND_MEAN
 
-#include <absl/strings/internal/str_format/extension.h>
 #include <filesystem>
 #include <fstream>