diff --git a/build-scripts/mod_test_blacklist b/build-scripts/mod_test_blacklist
index a26fc43f8351e..b84b5bbdb5c4e 100644
--- a/build-scripts/mod_test_blacklist
+++ b/build-scripts/mod_test_blacklist
@@ -1,5 +1,4 @@
 aftershock
-alt_map_key
 Animatronics
 Battery_Overhaul_Legacy_Mode
 blazemod
diff --git a/data/mods/Graphical_Overmap/overmap_terrain.json b/data/mods/Graphical_Overmap/overmap_terrain.json
index 5c1e94f6a21b6..4ba7b584c3525 100644
--- a/data/mods/Graphical_Overmap/overmap_terrain.json
+++ b/data/mods/Graphical_Overmap/overmap_terrain.json
@@ -21460,13 +21460,6 @@
     "sym": "à",
     "color": "light_gray"
   },
-  {
-    "type": "overmap_terrain",
-    "id": "house_base",
-    "copy-from": "house_base",
-    "sym": "à",
-    "color": "light_gray"
-  },
   {
     "type": "overmap_terrain",
     "id": "duplex",
diff --git a/data/mods/alt_map_key/overmap_terrain.json b/data/mods/alt_map_key/overmap_terrain.json
index 212ac5e59bcd8..11706a3080958 100644
--- a/data/mods/alt_map_key/overmap_terrain.json
+++ b/data/mods/alt_map_key/overmap_terrain.json
@@ -182,14 +182,6 @@
     "sym": "^",
     "color": "light_green"
   },
-  {
-    "type": "overmap_terrain",
-    "id": "house_base",
-    "copy-from": "house_base",
-    "name": "house",
-    "sym": "^",
-    "color": "light_green"
-  },
   {
     "type": "overmap_terrain",
     "id": "house_prepper",
@@ -887,8 +879,7 @@
     "id": "megastore_1_2_0",
     "copy-from": "megastore_1_2_0",
     "name": "megastore entrance",
-    "color": "i_magenta",
-    "symbol": "M"
+    "color": "i_magenta"
   },
   {
     "type": "overmap_terrain",