diff --git a/common/json.h b/common/json.h
index 98b6fc3db6..9e20a2adb2 100644
--- a/common/json.h
+++ b/common/json.h
@@ -351,7 +351,4 @@ class common_json {
     alignas(8) unsigned char storage[32];
 };
 
-// json.cpp defines this specialization, it must be declared before any use of it
-template <> common_json common_json::get<common_json>() const;
-
 using common_json_entry = common_json::items_view::entry;