1 files changed, 4 insertions, 0 deletions
diff --git a/src/monitor-gui.cc b/src/monitor-gui.cc
index 8044a02..4f4f2fb 100644
--- a/src/monitor-gui.cc
+++ b/src/monitor-gui.cc
@@ -260,6 +260,10 @@ public:
     memory_[key] = value;
   }
 
+  void remove(std::string const& key) override {
+    memory_.erase(key);
+  }
+
 private:
   std::unordered_map<std::string, std::string> memory_;
 };