diff --git a/data/json/mapgen/map_extras/dormants.json b/data/json/mapgen/map_extras/dormants.json
new file mode 100644
index 0000000000000..cdf61f9e08fb0
--- /dev/null
+++ b/data/json/mapgen/map_extras/dormants.json
@@ -0,0 +1,8 @@
+[
+  {
+    "type": "mapgen",
+    "method": "json",
+    "update_mapgen_id": "mx_dormant",
+    "object": { "monsters": { " ": { "monster": "GROUP_VANILLA_DORMANT", "chance": 10, "density": 0.02 } } }
+  }
+]
diff --git a/data/json/overmap/map_extras.json b/data/json/overmap/map_extras.json
index 67e271a7fb03b..6e0168bee616e 100644
--- a/data/json/overmap/map_extras.json
+++ b/data/json/overmap/map_extras.json
@@ -23,6 +23,17 @@
     "autonote": true,
     "flags": [ "MAN_MADE", "CLASSIC" ]
   },
+  {
+    "id": "mx_dormant",
+    "type": "map_extra",
+    "name": { "str": "Corpses" },
+    "description": "There are a lot of dead corpses here.",
+    "generator": { "generator_method": "update_mapgen", "generator_id": "mx_dormant" },
+    "min_max_zlevel": [ -7, 7 ],
+    "sym": "d",
+    "color": "light_red",
+    "flags": [ "MAN_MADE", "CLASSIC" ]
+  },
   {
     "id": "mx_drugdeal",
     "type": "map_extra",
diff --git a/data/json/regional_map_settings.json b/data/json/regional_map_settings.json
index f5dac0ec764a7..a0274521bfe30 100644
--- a/data/json/regional_map_settings.json
+++ b/data/json/regional_map_settings.json
@@ -723,6 +723,7 @@
           "mx_military": 5,
           "mx_science": 7,
           "mx_collegekids": 15,
+          "mx_dormant": 30,
           "mx_portal": 5,
           "mx_portal_in": 3,
           "mx_point_burned_ground": 5,
@@ -732,7 +733,10 @@
         }
       },
       "marloss": { "chance": 20, "extras": { "mx_marloss_pilgrimage": 100 } },
-      "subway": { "chance": 100, "extras": { "mx_military": 5, "mx_science": 12, "mx_drugdeal": 5, "mx_casings": 10 } },
+      "subway": {
+        "chance": 100,
+        "extras": { "mx_military": 5, "mx_science": 12, "mx_drugdeal": 5, "mx_casings": 10, "mx_dormant": 10 }
+      },
       "lab_subway": { "chance": 25, "extras": { "mx_military": 5, "mx_science": 15, "mx_portal": 3, "mx_portal_in": 3 } },
       "research_facility_lot": {
         "chance": 3,
diff --git a/src/trapfunc.cpp b/src/trapfunc.cpp
index 86cef67b07b65..c79d170af1129 100644
--- a/src/trapfunc.cpp
+++ b/src/trapfunc.cpp
@@ -1573,17 +1573,6 @@ bool trapfunc::cast_spell( const tripoint_bub_ms &p, Creature *critter, item * )
         if( !tr.has_flag( json_flag_UNCONSUMED ) ) {
             here.remove_trap( p );
         }
-        if( tr.has_flag( json_flag_PROXIMITY ) ) {
-            // remove all traps in 3-3 area area
-            for( int x = p.x() - 1; x <= p.x() + 1; x++ ) {
-                for( int y = p.y() - 1; y <= p.y() + 1; y++ ) {
-                    tripoint_bub_ms pt( x, y, p.z() );
-                    if( here.tr_at( pt ).loadid == tr.loadid ) {
-                        here.remove_trap( pt );
-                    }
-                }
-            }
-        }
         // we remove the trap before casting the spell because otherwise if we teleport we might be elsewhere at the end and p is no longer valid
         trap_spell.cast_all_effects( dummy, p );
         trap_spell.make_sound( p, get_player_character() );