diff --git a/test/contracts/Wallet.cpp b/test/contracts/Wallet.cpp
index 6e8670e14e0a..b7a2fba58af7 100644
--- a/test/contracts/Wallet.cpp
+++ b/test/contracts/Wallet.cpp
@@ -25,7 +25,6 @@
 
 #include <string>
 #include <tuple>
-#include <optional>
 
 #if defined(_MSC_VER)
 #pragma warning(push)