diff --git a/src/app/core/basic-datatypes/array/array.datatype.spec.ts b/src/app/core/basic-datatypes/array/array.datatype.spec.ts
index 95f2ee8677..eb27c686af 100644
--- a/src/app/core/basic-datatypes/array/array.datatype.spec.ts
+++ b/src/app/core/basic-datatypes/array/array.datatype.spec.ts
@@ -8,7 +8,6 @@ import { ConfigurableEnumService } from "../configurable-enum/configurable-enum.
 
 describe("Schema data type: array", () => {
   const schema: EntitySchemaField = {
-    id: null,
     dataType: "array",
     innerDataType: "configurable-enum",
     additional: "test",
diff --git a/src/app/core/basic-datatypes/configurable-enum/configurable-enum-datatype/configurable-enum.datatype.spec.ts b/src/app/core/basic-datatypes/configurable-enum/configurable-enum-datatype/configurable-enum.datatype.spec.ts
index fdd1d6e993..302041dd51 100644
--- a/src/app/core/basic-datatypes/configurable-enum/configurable-enum-datatype/configurable-enum.datatype.spec.ts
+++ b/src/app/core/basic-datatypes/configurable-enum/configurable-enum-datatype/configurable-enum.datatype.spec.ts
@@ -145,7 +145,6 @@ describe("Schema data type: configurable-enum", () => {
     const actualMapped = dataType.importMapFunction(
       input,
       {
-        id: null,
         dataType: "configurable-enum",
         additional: "genders",
       },
diff --git a/src/app/core/basic-datatypes/configurable-enum/edit-configurable-enum/edit-configurable-enum.component.spec.ts b/src/app/core/basic-datatypes/configurable-enum/edit-configurable-enum/edit-configurable-enum.component.spec.ts
index 8eaa842cff..ee6b6a2cd5 100644
--- a/src/app/core/basic-datatypes/configurable-enum/edit-configurable-enum/edit-configurable-enum.component.spec.ts
+++ b/src/app/core/basic-datatypes/configurable-enum/edit-configurable-enum/edit-configurable-enum.component.spec.ts
@@ -43,11 +43,11 @@ describe("EditConfigurableEnumComponent", () => {
     expect(component.multi).toBeTrue();
   });
 
-  function initWithSchema(schema: Omit<EntitySchemaField, "id">) {
+  function initWithSchema(schema: EntitySchemaField) {
     const fromGroup = new FormGroup({ test: new FormControl() });
     component.formControl = fromGroup.get("test") as FormControl;
     component.formFieldConfig = { id: "test" };
-    component.propertySchema = { id: "test", ...schema };
+    component.propertySchema = schema;
     component.entity = new Entity();
     component.ngOnInit();
   }
diff --git a/src/app/core/common-components/entity-form/entity-form.service.spec.ts b/src/app/core/common-components/entity-form/entity-form.service.spec.ts
index 1bc8d000c4..d945c641d4 100644
--- a/src/app/core/common-components/entity-form/entity-form.service.spec.ts
+++ b/src/app/core/common-components/entity-form/entity-form.service.spec.ts
@@ -165,7 +165,7 @@ describe("EntityFormService", () => {
   });
 
   it("should assign default values", () => {
-    const schema: EntitySchemaField = { id: "test", defaultValue: 1 };
+    const schema: EntitySchemaField = { defaultValue: 1 };
     Entity.schema.set("test", schema);
 
     let form = service.createFormGroup([{ id: "test" }], new Entity());
@@ -191,7 +191,7 @@ describe("EntityFormService", () => {
   });
 
   it("should not assign default values to existing entities", () => {
-    Entity.schema.set("test", { id: "test", defaultValue: 1 });
+    Entity.schema.set("test", { defaultValue: 1 });
 
     const entity = new Entity();
     entity._rev = "1-existing_entity";
@@ -202,7 +202,7 @@ describe("EntityFormService", () => {
   });
 
   it("should not overwrite existing values with default value", () => {
-    Entity.schema.set("test", { id: "test", defaultValue: 1 });
+    Entity.schema.set("test", { defaultValue: 1 });
 
     const entity = new Entity();
     entity["test"] = 2;
diff --git a/src/app/core/entity/database-field.decorator.spec.ts b/src/app/core/entity/database-field.decorator.spec.ts
index 752d97d8ec..c2058a9834 100644
--- a/src/app/core/entity/database-field.decorator.spec.ts
+++ b/src/app/core/entity/database-field.decorator.spec.ts
@@ -17,6 +17,7 @@
 
 import { Entity } from "./model/entity";
 import { DatabaseField } from "./database-field.decorator";
+import { EntitySchemaField } from "./schema/entity-schema-field";
 
 class TestClass extends Entity {
   @DatabaseField()
@@ -39,13 +40,10 @@ describe("@DatabaseField Decorator", () => {
 
   it("results in full schema", async () => {
     expect(TestClass.schema).toEqual(
-      new Map([
-        ["fieldUndefined", { id: "fieldUndefined", dataType: "string" }],
-        ["fieldWithDefault", { id: "fieldWithDefault", dataType: "string" }],
-        [
-          "fieldDate",
-          { id: "fieldDate", dataType: "date", generateIndex: true },
-        ],
+      new Map<string, EntitySchemaField>([
+        ["fieldUndefined", { dataType: "string" }],
+        ["fieldWithDefault", { dataType: "string" }],
+        ["fieldDate", { dataType: "date", generateIndex: true }],
       ]),
     );
   });
diff --git a/src/app/core/entity/database-field.decorator.ts b/src/app/core/entity/database-field.decorator.ts
index c266685e1d..0d3b935557 100644
--- a/src/app/core/entity/database-field.decorator.ts
+++ b/src/app/core/entity/database-field.decorator.ts
@@ -8,34 +8,32 @@ import { EntitySchemaField } from "./schema/entity-schema-field";
  *
  * @param propertySchema (optional) SchemaField definition that configures additional options regarding this field
  */
-export function DatabaseField(
-  propertySchema: Omit<EntitySchemaField, "id"> = {},
-) {
+export function DatabaseField(propertySchema: EntitySchemaField = {}) {
   return (target, propertyName: string) => {
-    const schemaField: EntitySchemaField = {
-      id: propertyName,
-      ...propertySchema,
-    };
     // Retrieve datatype from TypeScript type definition
-    if (schemaField.dataType === undefined) {
+    if (propertySchema.dataType === undefined) {
       const type = Reflect.getMetadata("design:type", target, propertyName);
       const typeName = type.DATA_TYPE ?? type.name.toLowerCase();
       // 'object' type is ignored
       if (typeName !== "object") {
-        schemaField.dataType = typeName;
+        propertySchema.dataType = typeName;
       }
     }
-    addPropertySchema(target, schemaField);
+    addPropertySchema(target, propertyName, propertySchema);
   };
 }
 
-export function addPropertySchema(target, propertySchema: EntitySchemaField) {
-  target[propertySchema.id] = undefined; // This ensures that the field is not read only
+export function addPropertySchema(
+  target,
+  propertyName: string,
+  propertySchema: EntitySchemaField,
+) {
+  target[propertyName] = undefined; // This ensures that the field is not read only
 
   if (Object.getOwnPropertyDescriptor(target.constructor, "schema") == null) {
     target.constructor.schema = new Map<string, EntitySchemaField>();
   }
-  target.constructor.schema.set(propertySchema.id, propertySchema);
+  target.constructor.schema.set(propertyName, propertySchema);
 
   return target;
 }
diff --git a/src/app/core/entity/default-datatype/edit-component.spec.ts b/src/app/core/entity/default-datatype/edit-component.spec.ts
index 3f5aea5c6c..891c3f098e 100644
--- a/src/app/core/entity/default-datatype/edit-component.spec.ts
+++ b/src/app/core/entity/default-datatype/edit-component.spec.ts
@@ -16,7 +16,7 @@ export function setupEditComponent<T>(
   fromGroupConfig[propertyName] = formControl;
   const formGroup = new UntypedFormGroup(fromGroupConfig);
   component.formControl = formControl;
-  component.propertySchema = { id: propertyName };
+  component.propertySchema = {};
   component.formFieldConfig = { id: propertyName };
   component.entity = new Entity();
   return formGroup;
diff --git a/src/app/core/entity/entity-config.service.spec.ts b/src/app/core/entity/entity-config.service.spec.ts
index cf31f2cd97..d4d6a4b572 100644
--- a/src/app/core/entity/entity-config.service.spec.ts
+++ b/src/app/core/entity/entity-config.service.spec.ts
@@ -113,7 +113,6 @@ describe("EntityConfigService", () => {
 
   it("should create a new subclass with the schema of the extended", () => {
     const schema: EntitySchemaField = {
-      id: "dynamicProperty",
       dataType: "string",
       label: "Dynamic Property",
     };
@@ -122,8 +121,8 @@ describe("EntityConfigService", () => {
         _id: "entity:DynamicTest",
         label: "Dynamic Test Entity",
         extends: "Test",
-        attributes: [schema],
-      },
+        attributes: { dynamicProperty: schema },
+      } as EntityConfig,
     ]);
 
     service.setupEntitiesFromConfig();
diff --git a/src/app/core/entity/entity-config.service.ts b/src/app/core/entity/entity-config.service.ts
index eef6664d87..0f79e82100 100644
--- a/src/app/core/entity/entity-config.service.ts
+++ b/src/app/core/entity/entity-config.service.ts
@@ -71,7 +71,7 @@ export class EntityConfigService {
   ) {
     const entityConfig = configAttributes || this.getEntityConfig(entityType);
     for (const [key, value] of Object.entries(entityConfig?.attributes ?? {})) {
-      addPropertySchema(entityType.prototype, { id: key, ...value });
+      addPropertySchema(entityType.prototype, key, value);
     }
 
     // TODO: shall we just assign all properties that are present in the config object?
diff --git a/src/app/core/entity/entity-config.ts b/src/app/core/entity/entity-config.ts
index 09133d3843..e9529cb05e 100644
--- a/src/app/core/entity/entity-config.ts
+++ b/src/app/core/entity/entity-config.ts
@@ -1,4 +1,4 @@
-import { FieldConfig } from "./schema/entity-schema-field";
+import { EntitySchemaField } from "./schema/entity-schema-field";
 
 /**
  * Dynamic configuration for a entity.
@@ -8,7 +8,7 @@ export interface EntityConfig {
   /**
    * A list of attributes that will be dynamically added/overwritten to the entity.
    */
-  attributes?: { [key: string]: FieldConfig };
+  attributes?: { [key: string]: EntitySchemaField };
 
   /**
    * A list of attributes which should be shown when calling the `.toString()` method of this entity.
diff --git a/src/app/core/entity/schema/entity-schema-field.ts b/src/app/core/entity/schema/entity-schema-field.ts
index 63d37b743b..c6c5f210b0 100644
--- a/src/app/core/entity/schema/entity-schema-field.ts
+++ b/src/app/core/entity/schema/entity-schema-field.ts
@@ -26,13 +26,6 @@ import { EntityReferenceRole } from "../../basic-datatypes/entity/entity-referen
  * `@DatabaseField(fieldConfig: EntitySchemaField)`
  */
 export interface EntitySchemaField {
-  /**
-   * The key (property name) on the entity object for this field.
-   *
-   * Do not change after initial field creation!
-   */
-  readonly id: string;
-
   /**
    * The datatype of this field. This will trigger to matching datatype transformer when saving/loading the entity.
    *
@@ -134,9 +127,6 @@ export interface EntitySchemaField {
   anonymize?: "retain" | "retain-anonymized";
 }
 
-// TODO: align FormFieldConfig and EntitySchemaField, so that they can directly overwrite each other + allow a simplified config version where id is not explicitly set
-export type FieldConfig = Omit<EntitySchemaField, "id">;
-
 /**
  * Available placeholder variables that can be used to configure a dynamic default value.
  * (e.g. "$now" to set to current date)
diff --git a/src/app/core/entity/schema/entity-schema.service.spec.ts b/src/app/core/entity/schema/entity-schema.service.spec.ts
index 949bcc6262..f4d7ec9ff0 100644
--- a/src/app/core/entity/schema/entity-schema.service.spec.ts
+++ b/src/app/core/entity/schema/entity-schema.service.spec.ts
@@ -122,7 +122,6 @@ describe("EntitySchemaService", () => {
 
   it("should return correct inner data type", () => {
     const enumArraySchema: EntitySchemaField = {
-      id: null,
       dataType: "array",
       innerDataType: "configurable-enum",
     };
@@ -131,7 +130,6 @@ describe("EntitySchemaService", () => {
     );
 
     const entityArraySchema: EntitySchemaField = {
-      id: null,
       dataType: "entity-array",
     };
     expect(service.getInnermostDatatype(entityArraySchema)).toBeInstanceOf(
diff --git a/src/app/core/filter/filter-generator/filter-generator.service.ts b/src/app/core/filter/filter-generator/filter-generator.service.ts
index d42519f7c0..a07e83e514 100644
--- a/src/app/core/filter/filter-generator/filter-generator.service.ts
+++ b/src/app/core/filter/filter-generator/filter-generator.service.ts
@@ -49,9 +49,7 @@ export class FilterGeneratorService {
   ): Promise<Filter<T>[]> {
     const filters: Filter<T>[] = [];
     for (const filterConfig of filterConfigs) {
-      const schema = entityConstructor.schema.get(filterConfig.id) || {
-        id: filterConfig.id,
-      };
+      const schema = entityConstructor.schema.get(filterConfig.id) || {};
       let filter: Filter<T>;
       const type = filterConfig.type ?? schema.dataType;
       if (
diff --git a/src/app/features/config-setup/config-import-parser.service.spec.ts b/src/app/features/config-setup/config-import-parser.service.spec.ts
index c30de20195..71ea8cfdee 100644
--- a/src/app/features/config-setup/config-import-parser.service.spec.ts
+++ b/src/app/features/config-setup/config-import-parser.service.spec.ts
@@ -7,7 +7,7 @@ import { ConfigFieldRaw } from "./config-field.raw";
 import { EntityListConfig } from "../../core/entity-list/EntityListConfig";
 import { EntityDetailsConfig } from "../../core/entity-details/EntityDetailsConfig";
 import { ViewConfig } from "../../core/config/dynamic-routing/view-config.interface";
-import { FieldConfig } from "../../core/entity/schema/entity-schema-field";
+import { EntitySchemaField } from "../../core/entity/schema/entity-schema-field";
 
 describe("ConfigImportParserService", () => {
   let service: ConfigImportParserService;
@@ -26,7 +26,7 @@ describe("ConfigImportParserService", () => {
 
   function expectToBeParsedIntoEntityConfig(
     inputs: ConfigFieldRaw[],
-    expectedOutputs: { [key: string]: FieldConfig },
+    expectedOutputs: { [key: string]: EntitySchemaField },
   ) {
     const entityName = "test";
     const result = service.parseImportDefinition(inputs, entityName, false);
diff --git a/src/app/features/config-setup/config-import-parser.service.ts b/src/app/features/config-setup/config-import-parser.service.ts
index 3dbe6c8225..3069ffe0b1 100644
--- a/src/app/features/config-setup/config-import-parser.service.ts
+++ b/src/app/features/config-setup/config-import-parser.service.ts
@@ -71,9 +71,8 @@ export class ConfigImportParserService {
       if (!f?.dataType) {
         continue;
       }
-      const field = this.parseFieldDefinition(f, entityName);
-      entity.attributes[field.id] = field;
-      delete entity.attributes[field.id]["id"]; // do not save redundant id
+      const parsedField = this.parseFieldDefinition(f, entityName);
+      entity.attributes[parsedField.id] = parsedField.schema;
     }
 
     const generatedConfig: GeneratedConfig = {};
@@ -101,13 +100,12 @@ export class ConfigImportParserService {
   private parseFieldDefinition(
     fieldDef: ConfigFieldRaw,
     entityType: string,
-  ): EntitySchemaField {
+  ): { id: string; schema: EntitySchemaField } {
     const fieldId =
       fieldDef.id ??
       ConfigImportParserService.generateIdFromLabel(fieldDef.label);
 
     const schema: EntitySchemaField = {
-      id: fieldId,
       dataType: fieldDef.dataType,
       label: fieldDef.label,
       description: fieldDef.description,
@@ -148,7 +146,7 @@ export class ConfigImportParserService {
     this.generateOrUpdateDetailsViewConfig(fieldDef, entityType, fieldId);
 
     deleteEmptyProperties(schema);
-    return schema;
+    return { id: fieldId, schema: schema };
   }
 
   /**
diff --git a/src/app/features/file/couchdb-file.service.spec.ts b/src/app/features/file/couchdb-file.service.spec.ts
index 10b3e0262b..3b0358b561 100644
--- a/src/app/features/file/couchdb-file.service.spec.ts
+++ b/src/app/features/file/couchdb-file.service.spec.ts
@@ -48,7 +48,6 @@ describe("CouchdbFileService", () => {
     dismiss = jasmine.createSpy();
     mockSnackbar.openFromComponent.and.returnValue({ dismiss } as any);
     Entity.schema.set("testProp", {
-      id: "testProp",
       dataType: FileDatatype.dataType,
     });
 
diff --git a/src/app/features/location/map/map-properties-popup/map-properties-popup.component.spec.ts b/src/app/features/location/map/map-properties-popup/map-properties-popup.component.spec.ts
index 29680dd3e5..2aeaf6ba23 100644
--- a/src/app/features/location/map/map-properties-popup/map-properties-popup.component.spec.ts
+++ b/src/app/features/location/map/map-properties-popup/map-properties-popup.component.spec.ts
@@ -22,18 +22,15 @@ describe("MapPropertiesPopupComponent", () => {
 
   beforeEach(async () => {
     Child.schema.set("address", {
-      id: "address",
       label: "Address",
       dataType: "location",
     });
     Child.schema.set("otherAddress", {
-      id: "otherAddress",
       label: "Other address",
       dataType: "location",
     });
     properties[Child.ENTITY_TYPE] = ["address"];
     School.schema.set("address", {
-      id: "address",
       label: "School address",
       dataType: "location",
     });
diff --git a/src/app/features/location/map/map.component.spec.ts b/src/app/features/location/map/map.component.spec.ts
index 5f4fbeed6c..85e0001fba 100644
--- a/src/app/features/location/map/map.component.spec.ts
+++ b/src/app/features/location/map/map.component.spec.ts
@@ -76,7 +76,7 @@ describe("MapComponent", () => {
   });
 
   it("should create markers for entities and emit entity when marker is clicked", (done) => {
-    Child.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
     const child = new Child();
     child["address"] = { lat: 1, lon: 1 };
     component.entities = [child];
@@ -111,9 +111,8 @@ describe("MapComponent", () => {
 
   it("should open a popup that allows to change the properties displayed in the map", () => {
     const emitSpy = spyOn(component.displayedPropertiesChange, "emit");
-    Child.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
     Child.schema.set("otherAddress", {
-      id: "otherAddress",
       dataType: "location",
     });
     const child = new Child();
diff --git a/src/app/features/matching-entities/matching-entities/matching-entities.component.spec.ts b/src/app/features/matching-entities/matching-entities/matching-entities.component.spec.ts
index 38092322c0..6ccd9a12ed 100644
--- a/src/app/features/matching-entities/matching-entities/matching-entities.component.spec.ts
+++ b/src/app/features/matching-entities/matching-entities/matching-entities.component.spec.ts
@@ -262,7 +262,7 @@ describe("MatchingEntitiesComponent", () => {
   }));
 
   it("should create distance column and publish updates", fakeAsync(() => {
-    Child.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
     component.entity = new Child();
     component.columns = [[undefined, "distance"]];
     component.leftSide = { entityType: Child };
@@ -330,12 +330,11 @@ describe("MatchingEntitiesComponent", () => {
 
   it("should update the distance calculation when the selected map properties change", fakeAsync(() => {
     Object.assign(component, testConfig);
-    Child.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
     Child.schema.set("otherAddress", {
-      id: "otherAddress",
       dataType: "location",
     });
-    School.schema.set("address", { id: "address", dataType: "location" });
+    School.schema.set("address", { dataType: "location" });
     const leftEntity = new Child();
     leftEntity["address"] = { lat: 52, lon: 14 };
     leftEntity["otherAddress"] = { lat: 53, lon: 14 };
@@ -466,7 +465,7 @@ describe("MatchingEntitiesComponent", () => {
 
     expect(component.mapVisible).toBeFalse();
 
-    Child.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
 
     component.ngOnInit();
     tick();
@@ -486,8 +485,8 @@ describe("MatchingEntitiesComponent", () => {
       leftSide: { entityType: "Child", columns: ["name", "distance"] },
       onMatch: testConfig.onMatch,
     };
-    Child.schema.set("address", { id: "address", dataType: "location" });
-    School.schema.set("address", { id: "address", dataType: "location" });
+    Child.schema.set("address", { dataType: "location" });
+    School.schema.set("address", { dataType: "location" });
 
     const configCopy = JSON.parse(JSON.stringify(config));
     routeData.next({ config: configCopy });
diff --git a/src/app/features/matching-entities/matching-entities/matching-entities.stories.ts b/src/app/features/matching-entities/matching-entities/matching-entities.stories.ts
index 3213a807a3..f9e7e67e07 100644
--- a/src/app/features/matching-entities/matching-entities/matching-entities.stories.ts
+++ b/src/app/features/matching-entities/matching-entities/matching-entities.stories.ts
@@ -10,7 +10,6 @@ import { EntitySchemaField } from "../../../core/entity/schema/entity-schema-fie
 import { importProvidersFrom } from "@angular/core";
 
 const addressSchema: EntitySchemaField = {
-  id: "address",
   label: "Address",
   dataType: "location",
 };