diff --git a/changelog.md b/changelog.md
index c26dac0..8fc6c0a 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2024-10-06 - 1.1.1 - fix(core)
+Remove SelectionDimension functionality
+
+- Removed SelectionDimension class and references
+- Deleted smartrouter.classes.selectiondimension.ts and related imports
+
 ## 2024-10-06 - 1.1.0 - feat(core)
 Add selection dimensions and route removal functionality
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 91e820a..3055208 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartrouter',
-  version: '1.1.0',
+  version: '1.1.1',
   description: 'A JavaScript library providing routing capabilities for web applications.'
 }
diff --git a/ts/smartrouter.classes.selectiondimension.ts b/ts/smartrouter.classes.selectiondimension.ts
deleted file mode 100644
index 5a17f00..0000000
--- a/ts/smartrouter.classes.selectiondimension.ts
+++ /dev/null
@@ -1,50 +0,0 @@
-import * as plugins from './smartrouter.plugins.js';
-
-export interface ISelectionOption<T = any> {
-  key: string;
-  detail: T;
-  selected?: boolean;
-  action: () => Promise<T>;
-}
-
-export class SelectionDimension<T = any> {
-  /**
-   * the key of the selection dimension
-   */
-  public dimensionKey: string;
-  /**
-   * the level of the selection dimension
-   * a higher level is execution later than a lower level
-   * during catchup phase
-   */
-  public dimensionLevel: number;
-  public dimensionPeers: SelectionDimension<T>[] = [];
-  public selectionOptions: ISelectionOption<T>[] = [];
-
-  public selectionOptionSubject = new plugins.smartrx.rxjs.Subject<ISelectionOption<T>[]>();
-
-  public async emitSelectionOptions () {
-    const selectionOptions = this.selectionOptions.map((selectionOptionArg): ISelectionOption => {
-      return {
-        key: selectionOptionArg.key,
-        detail: selectionOptionArg.detail,
-        action: async () => {
-          this.updateSelection(selectionOptionArg);
-          return await selectionOptionArg.action();
-        },
-      }
-    });
-    this.selectionOptionSubject.next(selectionOptions);
-  }
-
-  public async updateSelection (selectionOptionArg: ISelectionOption<T>) {
-    for (const selectionOption of this.selectionOptions) {
-      if (selectionOption.key === selectionOptionArg.key) {
-        selectionOption.selected = true;
-      } else {
-        selectionOption.selected = false;
-      }
-    }
-    this.emitSelectionOptions();
-  }
-}
\ No newline at end of file
diff --git a/ts/smartrouter.classes.smartrouter.ts b/ts/smartrouter.classes.smartrouter.ts
index e3b8e97..2e47951 100644
--- a/ts/smartrouter.classes.smartrouter.ts
+++ b/ts/smartrouter.classes.smartrouter.ts
@@ -1,7 +1,6 @@
 import * as plugins from './smartrouter.plugins.js';
 
 import { QueryParams } from './smartrouter.classes.queryparams.js';
-import { type ISelectionOption, SelectionDimension } from './smartrouter.classes.selectiondimension.js';
 
 const routeLog = (message: string) => {
   console.log(`%c[Router]%c ${message}`, 'color: rgb(255, 105, 100);', 'color: inherit');
@@ -102,19 +101,4 @@ export class SmartRouter {
       } as IRouteInfo); // not waiting here
     }
   }
-
-  public selectionDimensionsMap = new plugins.lik.ObjectMap<SelectionDimension>();
-  public async createSelectionDimension(optionsArg: {
-    routeArg: string,
-    keyArg: string,
-    options: ISelectionOption[],
-    peers?: SelectionDimension[],
-  }) {
-    const selectionDimension = new SelectionDimension();
-    selectionDimension.dimensionKey = optionsArg.keyArg;
-    selectionDimension.dimensionPeers = optionsArg.peers;
-    selectionDimension.selectionOptions = optionsArg.options;
-    await this.selectionDimensionsMap.findOneAndRemove(async dimensionArg => dimensionArg.dimensionKey === optionsArg.keyArg);
-    this.selectionDimensionsMap.addMappedUnique(optionsArg.keyArg, selectionDimension);
-  }
 }
\ No newline at end of file