diff --git a/apps/openmw/mwmechanics/npcstats.cpp b/apps/openmw/mwmechanics/npcstats.cpp
index 6a5e5a98f4..0b36982890 100644
--- a/apps/openmw/mwmechanics/npcstats.cpp
+++ b/apps/openmw/mwmechanics/npcstats.cpp
@@ -422,7 +422,7 @@ void MWMechanics::NpcStats::modifyProfit(int diff)
     mProfit += diff;
 }
 
-float MWMechanics::NpcStats::getTimeToStartDrowning()
+float MWMechanics::NpcStats::getTimeToStartDrowning() const
 {
     return mTimeToStartDrowning;
 }
@@ -431,13 +431,3 @@ void MWMechanics::NpcStats::setTimeToStartDrowning(float time)
     assert(time>=0 && time<=20);
     mTimeToStartDrowning=time;
 }
-
-float MWMechanics::NpcStats::getLastDrowningHitTime()
-{
-    return mLastDrowningHit;
-}
-
-void MWMechanics::NpcStats::setLastDrowningHitTime(float time)
-{
-    mLastDrowningHit=time;
-}
diff --git a/apps/openmw/mwmechanics/npcstats.hpp b/apps/openmw/mwmechanics/npcstats.hpp
index d3fe61829e..6b7efa5b72 100644
--- a/apps/openmw/mwmechanics/npcstats.hpp
+++ b/apps/openmw/mwmechanics/npcstats.hpp
@@ -147,15 +147,10 @@ namespace MWMechanics
 
             int getWerewolfKills() const;
 
-            float getTimeToStartDrowning();
+            float getTimeToStartDrowning() const;
             /// Sets time left for the creature to drown if it stays underwater.
             /// @param time value from [0,20]
             void setTimeToStartDrowning(float time);
-
-            float getLastDrowningHitTime();
-            /// Sets time since last hit caused by drowning.
-            /// @param time value from [0,0.33]
-            void setLastDrowningHitTime(float time);
     };
 }