diff --git a/src/plugins/discover/public/application/embeddable/search_embeddable.ts b/src/plugins/discover/public/application/embeddable/search_embeddable.ts
index d04d482c7aade..658734aa46cb0 100644
--- a/src/plugins/discover/public/application/embeddable/search_embeddable.ts
+++ b/src/plugins/discover/public/application/embeddable/search_embeddable.ts
@@ -308,9 +308,9 @@ export class SearchEmbeddable
     );
     if (useNewFieldsApi) {
       searchSource.removeField('fieldsFromSource');
-      const fields: Record<string, any> = { field: '*' };
+      const fields: Record<string, string> = { field: '*' };
       if (pre712) {
-        fields.include_unmapped = true;
+        fields.include_unmapped = 'true';
       }
       searchSource.setField('fields', [fields]);
     } else {
diff --git a/test/functional/apps/discover/_indexpattern_with_unmapped_fields.ts b/test/functional/apps/discover/_indexpattern_with_unmapped_fields.ts
index bad7afacc1245..0990b3fa29f70 100644
--- a/test/functional/apps/discover/_indexpattern_with_unmapped_fields.ts
+++ b/test/functional/apps/discover/_indexpattern_with_unmapped_fields.ts
@@ -22,8 +22,8 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
 
     before(async () => {
       await esArchiver.loadIfNeeded('unmapped_fields');
-      await kibanaServer.uiSettings.replace({ defaultIndex: 'test-index-unmapped-fields' });
-      await kibanaServer.uiSettings.update({
+      await kibanaServer.uiSettings.replace({
+        defaultIndex: 'test-index-unmapped-fields',
         'discover:searchFieldsFromSource': false,
       });
       log.debug('discover');
diff --git a/test/functional/fixtures/es_archiver/data/data.json.gz b/test/functional/fixtures/es_archiver/data/data.json.gz
deleted file mode 100644
index 629276ccd186e..0000000000000
Binary files a/test/functional/fixtures/es_archiver/data/data.json.gz and /dev/null differ
diff --git a/test/functional/fixtures/es_archiver/data/mappings.json b/test/functional/fixtures/es_archiver/data/mappings.json
deleted file mode 100644
index 256978162b981..0000000000000
--- a/test/functional/fixtures/es_archiver/data/mappings.json
+++ /dev/null
@@ -1,450 +0,0 @@
-{
-  "type": "index",
-  "value": {
-    "aliases": {
-      ".kibana": {
-      }
-    },
-    "index": ".kibana_1",
-    "mappings": {
-      "_meta": {
-        "migrationMappingPropertyHashes": {
-          "application_usage_daily": "43b8830d5d0df85a6823d290885fc9fd",
-          "application_usage_totals": "3d1b76c39bfb2cc8296b024d73854724",
-          "application_usage_transactional": "3d1b76c39bfb2cc8296b024d73854724",
-          "config": "c63748b75f39d0c54de12d12c1ccbc20",
-          "core-usage-stats": "3d1b76c39bfb2cc8296b024d73854724",
-          "coreMigrationVersion": "2f4316de49999235636386fe51dc06c1",
-          "dashboard": "40554caf09725935e2c02e02563a2d07",
-          "index-pattern": "45915a1ad866812242df474eb0479052",
-          "kql-telemetry": "d12a98a6f19a2d273696597547e064ee",
-          "legacy-url-alias": "3d1b76c39bfb2cc8296b024d73854724",
-          "migrationVersion": "4a1746014a75ade3a714e1db5763276f",
-          "namespace": "2f4316de49999235636386fe51dc06c1",
-          "namespaces": "2f4316de49999235636386fe51dc06c1",
-          "originId": "2f4316de49999235636386fe51dc06c1",
-          "query": "11aaeb7f5f7fa5bb43f25e18ce26e7d9",
-          "references": "7997cf5a56cc02bdc9c93361bde732b0",
-          "sample-data-telemetry": "7d3cfeb915303c9641c59681967ffeb4",
-          "search": "e5b843b43566421ffa75fb499271dc34",
-          "search-telemetry": "3d1b76c39bfb2cc8296b024d73854724",
-          "telemetry": "36a616f7026dfa617d6655df850fe16d",
-          "timelion-sheet": "9a2a2748877c7a7b582fef201ab1d4cf",
-          "type": "2f4316de49999235636386fe51dc06c1",
-          "ui-counter": "0d409297dc5ebe1e3a1da691c6ee32e3",
-          "ui-metric": "0d409297dc5ebe1e3a1da691c6ee32e3",
-          "updated_at": "00da57df13e94e9d98437d13ace4bfe0",
-          "url": "c7f66a0df8b1b52f17c28c4adb111105",
-          "visualization": "f819cf6636b75c9e76ba733a0c6ef355"
-        }
-      },
-      "dynamic": "strict",
-      "properties": {
-        "application_usage_daily": {
-          "dynamic": "false",
-          "properties": {
-            "timestamp": {
-              "type": "date"
-            }
-          }
-        },
-        "application_usage_totals": {
-          "dynamic": "false",
-          "type": "object"
-        },
-        "application_usage_transactional": {
-          "dynamic": "false",
-          "type": "object"
-        },
-        "config": {
-          "dynamic": "false",
-          "properties": {
-            "buildNum": {
-              "type": "keyword"
-            }
-          }
-        },
-        "core-usage-stats": {
-          "dynamic": "false",
-          "type": "object"
-        },
-        "coreMigrationVersion": {
-          "type": "keyword"
-        },
-        "dashboard": {
-          "properties": {
-            "description": {
-              "type": "text"
-            },
-            "hits": {
-              "doc_values": false,
-              "index": false,
-              "type": "integer"
-            },
-            "kibanaSavedObjectMeta": {
-              "properties": {
-                "searchSourceJSON": {
-                  "index": false,
-                  "type": "text"
-                }
-              }
-            },
-            "optionsJSON": {
-              "index": false,
-              "type": "text"
-            },
-            "panelsJSON": {
-              "index": false,
-              "type": "text"
-            },
-            "refreshInterval": {
-              "properties": {
-                "display": {
-                  "doc_values": false,
-                  "index": false,
-                  "type": "keyword"
-                },
-                "pause": {
-                  "doc_values": false,
-                  "index": false,
-                  "type": "boolean"
-                },
-                "section": {
-                  "doc_values": false,
-                  "index": false,
-                  "type": "integer"
-                },
-                "value": {
-                  "doc_values": false,
-                  "index": false,
-                  "type": "integer"
-                }
-              }
-            },
-            "timeFrom": {
-              "doc_values": false,
-              "index": false,
-              "type": "keyword"
-            },
-            "timeRestore": {
-              "doc_values": false,
-              "index": false,
-              "type": "boolean"
-            },
-            "timeTo": {
-              "doc_values": false,
-              "index": false,
-              "type": "keyword"
-            },
-            "title": {
-              "type": "text"
-            },
-            "version": {
-              "type": "integer"
-            }
-          }
-        },
-        "index-pattern": {
-          "dynamic": "false",
-          "properties": {
-            "title": {
-              "type": "text"
-            },
-            "type": {
-              "type": "keyword"
-            }
-          }
-        },
-        "kql-telemetry": {
-          "properties": {
-            "optInCount": {
-              "type": "long"
-            },
-            "optOutCount": {
-              "type": "long"
-            }
-          }
-        },
-        "legacy-url-alias": {
-          "dynamic": "false",
-          "type": "object"
-        },
-        "migrationVersion": {
-          "dynamic": "true",
-          "properties": {
-            "config": {
-              "fields": {
-                "keyword": {
-                  "ignore_above": 256,
-                  "type": "keyword"
-                }
-              },
-              "type": "text"
-            }
-          }
-        },
-        "namespace": {
-          "type": "keyword"
-        },
-        "namespaces": {
-          "type": "keyword"
-        },
-        "originId": {
-          "type": "keyword"
-        },
-        "query": {
-          "properties": {
-            "description": {
-              "type": "text"
-            },
-            "filters": {
-              "enabled": false,
-              "type": "object"
-            },
-            "query": {
-              "properties": {
-                "language": {
-                  "type": "keyword"
-                },
-                "query": {
-                  "index": false,
-                  "type": "keyword"
-                }
-              }
-            },
-            "timefilter": {
-              "enabled": false,
-              "type": "object"
-            },
-            "title": {
-              "type": "text"
-            }
-          }
-        },
-        "references": {
-          "properties": {
-            "id": {
-              "type": "keyword"
-            },
-            "name": {
-              "type": "keyword"
-            },
-            "type": {
-              "type": "keyword"
-            }
-          },
-          "type": "nested"
-        },
-        "sample-data-telemetry": {
-          "properties": {
-            "installCount": {
-              "type": "long"
-            },
-            "unInstallCount": {
-              "type": "long"
-            }
-          }
-        },
-        "search": {
-          "properties": {
-            "columns": {
-              "doc_values": false,
-              "index": false,
-              "type": "keyword"
-            },
-            "description": {
-              "type": "text"
-            },
-            "grid": {
-              "enabled": false,
-              "type": "object"
-            },
-            "hits": {
-              "doc_values": false,
-              "index": false,
-              "type": "integer"
-            },
-            "kibanaSavedObjectMeta": {
-              "properties": {
-                "searchSourceJSON": {
-                  "index": false,
-                  "type": "text"
-                }
-              }
-            },
-            "pre712": {
-              "type": "boolean"
-            },
-            "sort": {
-              "doc_values": false,
-              "index": false,
-              "type": "keyword"
-            },
-            "title": {
-              "type": "text"
-            },
-            "version": {
-              "type": "integer"
-            }
-          }
-        },
-        "search-telemetry": {
-          "dynamic": "false",
-          "type": "object"
-        },
-        "telemetry": {
-          "properties": {
-            "allowChangingOptInStatus": {
-              "type": "boolean"
-            },
-            "enabled": {
-              "type": "boolean"
-            },
-            "lastReported": {
-              "type": "date"
-            },
-            "lastVersionChecked": {
-              "type": "keyword"
-            },
-            "reportFailureCount": {
-              "type": "integer"
-            },
-            "reportFailureVersion": {
-              "type": "keyword"
-            },
-            "sendUsageFrom": {
-              "type": "keyword"
-            },
-            "userHasSeenNotice": {
-              "type": "boolean"
-            }
-          }
-        },
-        "timelion-sheet": {
-          "properties": {
-            "description": {
-              "type": "text"
-            },
-            "hits": {
-              "type": "integer"
-            },
-            "kibanaSavedObjectMeta": {
-              "properties": {
-                "searchSourceJSON": {
-                  "type": "text"
-                }
-              }
-            },
-            "timelion_chart_height": {
-              "type": "integer"
-            },
-            "timelion_columns": {
-              "type": "integer"
-            },
-            "timelion_interval": {
-              "type": "keyword"
-            },
-            "timelion_other_interval": {
-              "type": "keyword"
-            },
-            "timelion_rows": {
-              "type": "integer"
-            },
-            "timelion_sheet": {
-              "type": "text"
-            },
-            "title": {
-              "type": "text"
-            },
-            "version": {
-              "type": "integer"
-            }
-          }
-        },
-        "type": {
-          "type": "keyword"
-        },
-        "ui-counter": {
-          "properties": {
-            "count": {
-              "type": "integer"
-            }
-          }
-        },
-        "ui-metric": {
-          "properties": {
-            "count": {
-              "type": "integer"
-            }
-          }
-        },
-        "updated_at": {
-          "type": "date"
-        },
-        "url": {
-          "properties": {
-            "accessCount": {
-              "type": "long"
-            },
-            "accessDate": {
-              "type": "date"
-            },
-            "createDate": {
-              "type": "date"
-            },
-            "url": {
-              "fields": {
-                "keyword": {
-                  "ignore_above": 2048,
-                  "type": "keyword"
-                }
-              },
-              "type": "text"
-            }
-          }
-        },
-        "visualization": {
-          "properties": {
-            "description": {
-              "type": "text"
-            },
-            "kibanaSavedObjectMeta": {
-              "properties": {
-                "searchSourceJSON": {
-                  "index": false,
-                  "type": "text"
-                }
-              }
-            },
-            "savedSearchRefName": {
-              "doc_values": false,
-              "index": false,
-              "type": "keyword"
-            },
-            "title": {
-              "type": "text"
-            },
-            "uiStateJSON": {
-              "index": false,
-              "type": "text"
-            },
-            "version": {
-              "type": "integer"
-            },
-            "visState": {
-              "index": false,
-              "type": "text"
-            }
-          }
-        }
-      }
-    },
-    "settings": {
-      "index": {
-        "auto_expand_replicas": "0-1",
-        "number_of_replicas": "0",
-        "number_of_shards": "1"
-      }
-    }
-  }
-}
\ No newline at end of file