diff --git a/src/hydra-queue-runner/state.hh b/src/hydra-queue-runner/state.hh
index 84478bf6..6a204b1e 100644
--- a/src/hydra-queue-runner/state.hh
+++ b/src/hydra-queue-runner/state.hh
@@ -619,8 +619,6 @@ private:
 
     void addRoot(const nix::StorePath & storePath);
 
-    void runMetricsExporter();
-
 public:
 
     void showStatus();