diff --git a/src/klotski_core/all_cases/all_cases.h b/src/klotski_core/all_cases/all_cases.h
index 6635142..7e7e31d 100644
--- a/src/klotski_core/all_cases/all_cases.h
+++ b/src/klotski_core/all_cases/all_cases.h
@@ -20,7 +20,6 @@
 #include <mutex>
 #include <vector>
 #include <cstdint>
-#include <numeric>
 #include "common_code.h"
 #include "basic_ranges.h"
 
diff --git a/test/basic/all_cases.cc b/test/basic/all_cases.cc
index 373f6d6..a678250 100644
--- a/test/basic/all_cases.cc
+++ b/test/basic/all_cases.cc
@@ -1,4 +1,5 @@
 #include <thread>
+#include <numeric>
 #include "md5.h"
 #include "all_cases.h"
 #include "gtest/gtest.h"