diff --git a/airflow/dags/EOSC_indexes.py b/airflow/dags/EOSC_indexes.py
index a7a27ab..eecb4a4 100644
--- a/airflow/dags/EOSC_indexes.py
+++ b/airflow/dags/EOSC_indexes.py
@@ -755,22 +755,10 @@ mappings['services'] = {
             "type": "text"
         },
         "relatedPlatforms": {
-            "fields": {
-                "keyword": {
-                    "type": "keyword",
-                    "ignore_above": 256
-                }
-            },
-            "type": "text"
+            "type": "keyword"
         },
         "relatedResources": {
-            "fields": {
-                "keyword": {
-                    "type": "keyword",
-                    "ignore_above": 256
-                }
-            },
-            "type": "text"
+            "type": "keyword"
         },
         "tags": {
             "type": "keyword"
@@ -804,13 +792,7 @@ mappings['interoperability'] = {
             }
         },
         "guidelineType": {
-            "fields": {
-                "keyword": {
-                    "type": "keyword",
-                    "ignore_above": 256
-                }
-            },
-            "type": "text"
+            "type": "keyword"
         },
         "id": {
             "type": "keyword"