diff --git a/TileCalorimeter/TileMonitoring/src/TileRawChannelMonitorAlgorithm.h b/TileCalorimeter/TileMonitoring/src/TileRawChannelMonitorAlgorithm.h
index 2db291995c270bba9d5427199874e60dd979190e..1f9b688736b0b6e23f069ddf6ec8c303cb4232e3 100644
--- a/TileCalorimeter/TileMonitoring/src/TileRawChannelMonitorAlgorithm.h
+++ b/TileCalorimeter/TileMonitoring/src/TileRawChannelMonitorAlgorithm.h
@@ -154,7 +154,6 @@ class TileRawChannelMonitorAlgorithm : public AthMonitorAlgorithm {
 
     // TileInfo
     const TileInfo* m_tileInfo{nullptr};
-    float m_ADCmaxMinusEpsilon;
     double m_dac2Charge[2] = {};
     bool m_runTypeIsNotCIS{true};
 };