diff --git a/apps/openmw/mwgui/mapwindow.cpp b/apps/openmw/mwgui/mapwindow.cpp
index 0ebb595dd..bc8f41599 100644
--- a/apps/openmw/mwgui/mapwindow.cpp
+++ b/apps/openmw/mwgui/mapwindow.cpp
@@ -269,8 +269,6 @@ namespace MWGui
         // normalized cell coordinates
         float nX,nY;
 
-        markerPos.interior = mInterior;
-
         if (!mInterior)
         {
             int cellX, cellY;
@@ -1078,7 +1076,7 @@ namespace MWGui
     {
         if (!mLocalMapRender)
             return true;
-        return mLocalMapRender->isPositionExplored(nX, nY, cellX, cellY, interior);
+        return mLocalMapRender->isPositionExplored(nX, nY, cellX, cellY);
     }
 
 }
diff --git a/apps/openmw/mwgui/mapwindow.hpp b/apps/openmw/mwgui/mapwindow.hpp
index a41d5d527..0ab38f1e3 100644
--- a/apps/openmw/mwgui/mapwindow.hpp
+++ b/apps/openmw/mwgui/mapwindow.hpp
@@ -78,7 +78,6 @@ namespace MWGui
         {
             MarkerUserData(MWRender::LocalMap* map)
                 : mLocalMapRender(map)
-                , interior(false)
                 , cellX(0)
                 , cellY(0)
                 , nX(0.f)
@@ -89,7 +88,6 @@ namespace MWGui
             bool isPositionExplored() const;
 
             MWRender::LocalMap* mLocalMapRender;
-            bool interior;
             int cellX;
             int cellY;
             float nX;
diff --git a/apps/openmw/mwrender/localmap.cpp b/apps/openmw/mwrender/localmap.cpp
index b3d19090f..200f484b5 100644
--- a/apps/openmw/mwrender/localmap.cpp
+++ b/apps/openmw/mwrender/localmap.cpp
@@ -478,7 +478,7 @@ osg::Vec2f LocalMap::interiorMapToWorldPosition (float nX, float nY, int x, int
     return pos;
 }
 
-bool LocalMap::isPositionExplored (float nX, float nY, int x, int y, bool interior)
+bool LocalMap::isPositionExplored (float nX, float nY, int x, int y)
 {
     const MapSegment& segment = mSegments[std::make_pair(x, y)];
     if (!segment.mFogOfWarImage)
diff --git a/apps/openmw/mwrender/localmap.hpp b/apps/openmw/mwrender/localmap.hpp
index 72ee0354e..59165013d 100644
--- a/apps/openmw/mwrender/localmap.hpp
+++ b/apps/openmw/mwrender/localmap.hpp
@@ -99,7 +99,7 @@ namespace MWRender
         /**
          * Check if a given position is explored by the player (i.e. not obscured by fog of war)
          */
-        bool isPositionExplored (float nX, float nY, int x, int y, bool interior);
+        bool isPositionExplored (float nX, float nY, int x, int y);
 
         osg::Group* getRoot();