diff --git a/library/include/dfhack/modules/Maps.h b/library/include/dfhack/modules/Maps.h
index 17d2d8c74..ce27a1da8 100644
--- a/library/include/dfhack/modules/Maps.h
+++ b/library/include/dfhack/modules/Maps.h
@@ -274,6 +274,9 @@ namespace DFHack
         unsigned int unit_grounded : 1;
         /// the tile contains an item
         unsigned int item : 1;
+        /// changed
+        unsigned int unknown : 26;
+        /*
         /// splatter. everyone loves splatter. this doesn't seem to be used anymore
         unsigned int mud : 1;
         unsigned int vomit :1;
@@ -298,6 +301,7 @@ namespace DFHack
         unsigned int blood2 : 1;
         unsigned int broken_arrows_variant : 1;
         unsigned int snow : 1;
+        */
     };
 
     struct naked_occupancy_grouped
@@ -309,8 +313,8 @@ namespace DFHack
         unsigned int unit_grounded : 1;
         /// the tile contains an item
         unsigned int item : 1;
-        /// splatter. everyone loves splatter. this doesn't seem to be used anymore
-        unsigned int splatter : 26;
+        /// changed
+        unsigned int unknown : 26;
     };
 
     union t_occupancy
diff --git a/tools/supported/cleanmap.cpp b/tools/supported/cleanmap.cpp
index b7ce35f0e..08845673e 100644
--- a/tools/supported/cleanmap.cpp
+++ b/tools/supported/cleanmap.cpp
@@ -65,13 +65,17 @@ int main (int argc, char** argv)
                 if(Mapz->isValidBlock(x,y,z))
                 {
                     Mapz->ReadVeins(x,y,z,0,0,&splatter);
+                    /*
+                     * FIXME: THIS IS BAD
+                     */
+                    /*
                     Mapz->ReadOccupancy(x,y,z,&occ);
                     for(int i = 0; i < 16; i++)
                         for(int j = 0; j < 16; j++)
                         {
                             occ[i][j].unibits.splatter = 0;
                         }
-                    Mapz->WriteOccupancy(x,y,z,&occ);
+                    Mapz->WriteOccupancy(x,y,z,&occ);*/
                     for(uint32_t i = 0; i < splatter.size(); i++)
                     {
                         DFHack::t_spattervein & vein = splatter[i];