diff --git a/src/platform/api/types.ts b/src/platform/api/types.ts
index 8e0fe50e3dd..983b8063c21 100644
--- a/src/platform/api/types.ts
+++ b/src/platform/api/types.ts
@@ -91,12 +91,4 @@ export interface PythonApi {
      * @param func : The function that Python should call when requesting the Python path.
      */
     registerJupyterPythonPathFunction(func: (uri: Uri) => Promise<string | undefined>): void;
-
-    /**
-     * Call to provide a function that the Python extension can call to request the notebook
-     * document URI related to a particular text document URI, or undefined if there is no
-     * associated notebook.
-     * @param func : The function that Python should call when requesting the notebook URI.
-     */
-    registerGetNotebookUriForTextDocumentUriFunction(func: (textDocumentUri: Uri) => Uri | undefined): void;
 }
diff --git a/src/standalone/intellisense/notebookPythonPathService.node.ts b/src/standalone/intellisense/notebookPythonPathService.node.ts
index d7b22d8afde..ef0daccccda 100644
--- a/src/standalone/intellisense/notebookPythonPathService.node.ts
+++ b/src/standalone/intellisense/notebookPythonPathService.node.ts
@@ -2,7 +2,7 @@
 // Licensed under the MIT License.
 
 import { inject, injectable } from 'inversify';
-import { Disposable, extensions, Uri, window } from 'vscode';
+import { Disposable, extensions, Uri } from 'vscode';
 import { INotebookEditorProvider } from '../../notebooks/types';
 import { IExtensionSyncActivationService } from '../../platform/activation/types';
 import { IPythonApiProvider, IPythonExtensionChecker } from '../../platform/api/types';
@@ -10,12 +10,11 @@ import { PylanceExtension } from '../../platform/common/constants';
 import { getDisplayPath, getFilePath } from '../../platform/common/platform/fs-paths';
 import { traceInfo } from '../../platform/logging';
 import { IControllerRegistration } from '../../notebooks/controllers/types';
-import { isInteractiveInputTab } from '../../interactive-window/helpers';
 import { IKernelProvider, isRemoteConnection } from '../../kernels/types';
 import { noop } from '../../platform/common/utils/misc';
 import { raceTimeout } from '../../platform/common/utils/async';
 import * as fs from 'fs-extra';
-import { getNotebookUriFromInputBoxUri, isUsingPylance } from './notebookPythonPathService';
+import { isUsingPylance } from './notebookPythonPathService';
 
 /**
  * Manages use of the Python extension's registerJupyterPythonPathFunction API which
@@ -51,11 +50,6 @@ export class NotebookPythonPathService implements IExtensionSyncActivationServic
                 if (api.registerJupyterPythonPathFunction !== undefined) {
                     api.registerJupyterPythonPathFunction((uri) => this._jupyterPythonPathFunction(uri));
                 }
-                if (api.registerGetNotebookUriForTextDocumentUriFunction !== undefined) {
-                    api.registerGetNotebookUriForTextDocumentUriFunction((uri) =>
-                        this._getNotebookUriForTextDocumentUri(uri)
-                    );
-                }
             })
             .catch(noop);
     }
@@ -151,25 +145,4 @@ del _VSCODE_os, _VSCODE_sys, _VSCODE_builtins
         }
         return getFilePath(interpreter.uri);
     }
-
-    private _getNotebookUriForTextDocumentUri(textDocumentUri: Uri): Uri | undefined {
-        const notebookUri = getNotebookUriFromInputBoxUri(textDocumentUri);
-        if (!notebookUri) {
-            return undefined;
-        }
-
-        let result: string | undefined = undefined;
-        window.tabGroups.all.find((group) => {
-            group.tabs.find((tab) => {
-                if (isInteractiveInputTab(tab)) {
-                    const tabUri = tab.input.uri.toString();
-                    // the interactive resource URI was altered to start with `/`, this will account for both URI formats
-                    if (tab.input.uri.toString().endsWith(notebookUri.path)) {
-                        result = tabUri;
-                    }
-                }
-            });
-        });
-        return result;
-    }
 }