diff --git a/src/test/protocol/MultiApiJson_test.cpp b/src/test/protocol/MultiApiJson_test.cpp
index a7d809bcc..a7b0e7e9a 100644
--- a/src/test/protocol/MultiApiJson_test.cpp
+++ b/src/test/protocol/MultiApiJson_test.cpp
@@ -52,18 +52,6 @@ struct MultiApiJson_test : beast::unit_test::suite
         return obj1;
     }
 
-    constexpr static auto index =
-        [](unsigned int v) constexpr noexcept -> std::size_t
-    {
-        return v - 1;
-    };
-
-    template <int size>
-    constexpr static auto valid = [](unsigned int v) constexpr noexcept -> bool
-    {
-        return v > 0 && v <= size;
-    };
-
     void
     run() override
     {