diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp
index e297a1d3..ee2c5f45 100644
--- a/src/mapgen_v7.cpp
+++ b/src/mapgen_v7.cpp
@@ -62,8 +62,7 @@ MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge)
 	// 1-up 1-down overgeneration
 	this->zstride_1u1d = csize.X * (csize.Y + 2);
 
-	this->heightmap       = new s16[csize.X * csize.Z];
-	this->ridge_heightmap = new s16[csize.X * csize.Z];
+	this->heightmap = new s16[csize.X * csize.Z];
 
 	MapgenV7Params *sp = (MapgenV7Params *)params->sparams;
 
@@ -134,7 +133,6 @@ MapgenV7::~MapgenV7()
 
 	delete biomegen;
 
-	delete[] ridge_heightmap;
 	delete[] heightmap;
 }
 
@@ -440,8 +438,7 @@ int MapgenV7::generateTerrain()
 	for (s16 z = node_min.Z; z <= node_max.Z; z++)
 	for (s16 x = node_min.X; x <= node_max.X; x++, index2d++) {
 		s16 surface_y = baseTerrainLevelFromMap(index2d);
-		heightmap[index2d]       = surface_y;  // Create base terrain heightmap
-		ridge_heightmap[index2d] = surface_y;
+		heightmap[index2d] = surface_y;  // Create base terrain heightmap
 
 		if (surface_y > stone_surface_max_y)
 			stone_surface_max_y = surface_y;
@@ -504,9 +501,6 @@ void MapgenV7::generateRidgeTerrain()
 			if (nridge + width_mod * height_mod < 0.6)
 				continue;
 
-			if (y < ridge_heightmap[j])
-				ridge_heightmap[j] = y - 1;
-
 			vm->m_data[vi] = (y > water_level) ? n_air : n_water;
 		}
 	}
diff --git a/src/mapgen_v7.h b/src/mapgen_v7.h
index 21beab2b..eb89d597 100644
--- a/src/mapgen_v7.h
+++ b/src/mapgen_v7.h
@@ -58,8 +58,6 @@ class MapgenV7 : public MapgenBasic {
 public:
 	int zstride_1u1d;
 
-	s16 *ridge_heightmap;
-
 	u32 spflags;
 	Noise *noise_terrain_base;
 	Noise *noise_terrain_alt;