1 files changed, 4 insertions, 0 deletions
diff --git a/src/config.cc b/src/config.cc
index db42a7b..90ef95d 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -90,6 +90,10 @@ public:
     }
   }
 
+  void remove(std::string const& key) override {
+    override_.erase(key);
+  }
+
 private:
   bool update(bool good, std::string const& last_error,
               std::unordered_map<std::string, std::string>& data) {