diff --git a/plugins/embark-assistant/survey.cpp b/plugins/embark-assistant/survey.cpp
index fac5af267..3691976f2 100644
--- a/plugins/embark-assistant/survey.cpp
+++ b/plugins/embark-assistant/survey.cpp
@@ -1381,51 +1381,16 @@ void embark_assist::survey::survey_mid_level_tile(embark_assist::defs::geo_data
         tile->west_column[i].sand = mlt->at(0).at(i).sand;
         tile->east_column[i].sand = mlt->at(15).at(i).sand;
 
-        // tile->north_row[i].flux = mlt->at(i).at(0).flux;  //  Not used
-        // tile->south_row[i].flux = mlt->at(i).at(15).flux;
-        // tile->west_column[i].flux = mlt->at(0).at(i).flux;
-        // tile->east_column[i].flux = mlt->at(15).at(i).flux;
-
-        // tile->north_row[i].coal = mlt->at(i).at(0).coal; //  Not used
-        // tile->south_row[i].coal = mlt->at(i).at(15).coal;
-        // tile->west_column[i].coal = mlt->at(0).at(i).coal;
-        // tile->east_column[i].coal = mlt->at(15).at(i).coal;
-
         tile->north_row[i].soil_depth = mlt->at(i).at(0).soil_depth;
         tile->south_row[i].soil_depth = mlt->at(i).at(15).soil_depth;
         tile->west_column[i].soil_depth = mlt->at(0).at(i).soil_depth;
         tile->east_column[i].soil_depth = mlt->at(15).at(i).soil_depth;
 
-        // tile->north_row[i].offset = mlt->at(i).at(0).offset; //  Not used
-        // tile->south_row[i].offset = mlt->at(i).at(15).offset;
-        // tile->west_column[i].offset = mlt->at(0).at(i).offset;
-        // tile->east_column[i].offset = mlt->at(15).at(i).offset;
-
         tile->north_row[i].elevation = mlt->at(i).at(0).elevation;
         tile->south_row[i].elevation = mlt->at(i).at(15).elevation;
         tile->west_column[i].elevation = mlt->at(0).at(i).elevation;
         tile->east_column[i].elevation = mlt->at(15).at(i).elevation;
 
-        // tile->north_row[i].river_size = mlt->at(i).at(0).river_size; //  Not used
-        // tile->south_row[i].river_size = mlt->at(i).at(15).river_size;
-        // tile->west_column[i].river_size = mlt->at(0).at(i).river_size;
-        // tile->east_column[i].river_size = mlt->at(15).at(i).river_size;
-
-        // tile->north_row[i].river_elevation = mlt->at(i).at(0).river_elevation; //  Not used
-        // tile->south_row[i].river_elevation = mlt->at(i).at(15).river_elevation;
-        // tile->west_column[i].river_elevation = mlt->at(0).at(i).river_elevation;
-        // tile->east_column[i].river_elevation = mlt->at(15).at(i).river_elevation;
-
-        // tile->north_row[i].adamantine_level = mlt->at(i).at(0).adamantine_level; //  Not used
-        // tile->south_row[i].adamantine_level = mlt->at(i).at(15).adamantine_level;
-        // tile->west_column[i].adamantine_level = mlt->at(0).at(i).adamantine_level;
-        // tile->east_column[i].adamantine_level = mlt->at(15).at(i).adamantine_level;
-
-        // tile->north_row[i].magma_level = mlt->at(i).at(0).magma_level; //  Not used
-        // tile->south_row[i].magma_level = mlt->at(i).at(15).magma_level;
-        // tile->west_column[i].magma_level = mlt->at(0).at(i).magma_level;
-        // tile->east_column[i].magma_level = mlt->at(15).at(i).magma_level;
-
         tile->north_row[i].biome_offset = mlt->at(i).at(0).biome_offset;
         tile->south_row[i].biome_offset = mlt->at(i).at(15).biome_offset;
         tile->west_column[i].biome_offset = mlt->at(0).at(i).biome_offset;
@@ -1446,21 +1411,6 @@ void embark_assist::survey::survey_mid_level_tile(embark_assist::defs::geo_data
         tile->west_column[i].evilness_level = mlt->at(0).at(i).evilness_level;
         tile->east_column[i].evilness_level = mlt->at(15).at(i).evilness_level;
 
-        // tile->north_row[i].metals.resize(0);  //  Not used
-        // tile->south_row[i].metals.resize(0);
-        // tile->west_column[i].metals.resize(0);
-        // tile->east_column[i].metals.resize(0);
-
-        // tile->north_row[i].economics.resize(0);  //  Not used
-        // tile->south_row[i].economics.resize(0);
-        // tile->west_column[i].economics.resize(0);
-        // tile->east_column[i].economics.resize(0);
-
-        // tile->north_row[i].minerals.resize(0);  //  Not used
-        // tile->south_row[i].minerals.resize(0);
-        // tile->west_column[i].minerals.resize(0);
-        // tile->east_column[i].minerals.resize(0);
-
         tile->north_corner_selection[i] = world_data->region_details[0]->edges.biome_corner[i][0];
         tile->west_corner_selection[i] = world_data->region_details[0]->edges.biome_corner[0][i];
         tile->north_row_biome_x[i] = world_data->region_details[0]->edges.biome_x[i][0];