diff --git a/data/json/items/tool/science.json b/data/json/items/tool/science.json
index 9061c4d2bb024..7958465f0a7ea 100644
--- a/data/json/items/tool/science.json
+++ b/data/json/items/tool/science.json
@@ -1311,6 +1311,10 @@
   {
     "id": "migo_bio_tech",
     "type": "TOOL",
+    "//": [
+      "intentionally do not spawn anywhere, until migo interest would be implemented",
+      "for now, works only as reference for eoc-item-variable interaction"
+    ],
     "name": { "str_sp": "Mi-go Biotech" },
     "conditional_names": [
       { "type": "VAR", "condition": "npctalk_var_mbt_f_function", "value": "morale", "name": { "str_sp": "%s (happy)" } },
@@ -1334,7 +1338,8 @@
       }
     ],
     "description": "A piece of mi-go biotechnology.",
-    "weight": "1 g",
+    "material": [ "alien_resin" ],
+    "weight": "250 g",
     "volume": "250 ml",
     "price": "30 USD",
     "price_postapoc": "100 USD",
diff --git a/data/json/mapgen/lab/lab_modular/lab_nests_modular/lab_nested_mutagen.json b/data/json/mapgen/lab/lab_modular/lab_nests_modular/lab_nested_mutagen.json
index 75374c5ef2c58..d83b2024daef2 100644
--- a/data/json/mapgen/lab/lab_modular/lab_nests_modular/lab_nested_mutagen.json
+++ b/data/json/mapgen/lab/lab_modular/lab_nests_modular/lab_nested_mutagen.json
@@ -254,8 +254,7 @@
       },
       "place_loot": [
         { "group": "tools_mutation", "x": [ 3, 5 ], "y": 3, "chance": 70 },
-        { "group": "common_mutation_books", "x": [ 3, 5 ], "y": 4, "chance": 70 },
-        { "item": "migo_bio_tech", "x": 3, "y": 3, "chance": 100 }
+        { "group": "common_mutation_books", "x": [ 3, 5 ], "y": 4, "chance": 70 }
       ]
     }
   },
diff --git a/data/mods/TEST_DATA/known_bad_density.json b/data/mods/TEST_DATA/known_bad_density.json
index 67228093c4b87..91ecb0dddefd6 100644
--- a/data/mods/TEST_DATA/known_bad_density.json
+++ b/data/mods/TEST_DATA/known_bad_density.json
@@ -375,7 +375,6 @@
       "tallow_tainted",
       "hi_q_distillate",
       "rosin",
-      "migo_bio_tech",
       "meat_fatty_cooked",
       "telepad",
       "chem_turpentine",