diff --git a/extensions/notebook/src/integrationTest/notebookIntegration.test.ts b/extensions/notebook/src/integrationTest/notebookIntegration.test.ts
index 62eee0df88..cdf66d6b52 100644
--- a/extensions/notebook/src/integrationTest/notebookIntegration.test.ts
+++ b/extensions/notebook/src/integrationTest/notebookIntegration.test.ts
@@ -60,7 +60,7 @@ describe('Notebook Extension Python Installation', function () {
 		console.log('Uninstalling existing pip dependencies');
 		let install = jupyterController.jupyterInstallation;
 		let pythonExe = JupyterServerInstallation.getPythonExePath(pythonInstallDir, false);
-		let command = `"${pythonExe}" -m pip uninstall -y jupyter pandas sparkmagic prose-codeaccelerator`;
+		let command = `"${pythonExe}" -m pip uninstall -y jupyter pandas sparkmagic`;
 		await executeStreamedCommand(command, { env: install.execOptions.env }, install.outputChannel);
 		console.log('Uninstalling existing pip dependencies is done');
 
diff --git a/extensions/notebook/src/jupyter/jupyterServerInstallation.ts b/extensions/notebook/src/jupyter/jupyterServerInstallation.ts
index 2d35bdec3e..024c505eb3 100644
--- a/extensions/notebook/src/jupyter/jupyterServerInstallation.ts
+++ b/extensions/notebook/src/jupyter/jupyterServerInstallation.ts
@@ -120,9 +120,6 @@ export class JupyterServerInstallation implements IJupyterServerInstallation {
 			}, {
 				name: 'pandas',
 				version: '0.24.2'
-			}, {
-				name: 'prose-codeaccelerator',
-				version: '1.3.0'
 			}];
 		this._requiredKernelPackages.set(constants.pysparkDisplayName, sparkPackages);
 		this._requiredKernelPackages.set(constants.sparkScalaDisplayName, sparkPackages);
@@ -526,7 +523,7 @@ export class JupyterServerInstallation implements IJupyterServerInstallation {
 
 		let versionSpecifier = useMinVersion ? '>=' : '==';
 		let packagesStr = packages.map(pkg => `"${pkg.name}${versionSpecifier}${pkg.version}"`).join(' ');
-		let cmd = `"${this.pythonExecutable}" -m pip install --user ${packagesStr} --extra-index-url https://prose-python-packages.azurewebsites.net`;
+		let cmd = `"${this.pythonExecutable}" -m pip install --user ${packagesStr}`;
 		return this.executeStreamedCommand(cmd);
 	}
 
diff --git a/extensions/notebook/src/jupyter/serverInstance.ts b/extensions/notebook/src/jupyter/serverInstance.ts
index fbe859dc6a..1fbcdb841b 100644
--- a/extensions/notebook/src/jupyter/serverInstance.ts
+++ b/extensions/notebook/src/jupyter/serverInstance.ts
@@ -339,16 +339,6 @@ export class PerFolderServerInstance implements IServerInstance {
 		// Note: Get env from the install since it gets used elsewhere
 		let env = this.getEnvWithConfigPaths(install.execOptions.env);
 
-		// 'MSHOST_TELEMETRY_ENABLED' and 'MSHOST_ENVIRONMENT' environment variables are set
-		// for telemetry purposes used by PROSE in the process where the Jupyter kernel runs
-		if (vscode.workspace.getConfiguration('telemetry').get<boolean>('enableTelemetry', true)) {
-			env['MSHOST_TELEMETRY_ENABLED'] = true;
-		} else {
-			env['MSHOST_TELEMETRY_ENABLED'] = false;
-		}
-
-		env['MSHOST_ENVIRONMENT'] = 'ADSClient-' + vscode.version;
-
 		// Start the notebook process
 		let options: SpawnOptions = {
 			shell: true,
diff --git a/extensions/notebook/src/test/python/jupyterInstallation.test.ts b/extensions/notebook/src/test/python/jupyterInstallation.test.ts
index 11784692f7..ed18ee14ac 100644
--- a/extensions/notebook/src/test/python/jupyterInstallation.test.ts
+++ b/extensions/notebook/src/test/python/jupyterInstallation.test.ts
@@ -246,9 +246,6 @@ describe('Jupyter Server Installation', function () {
 		}, {
 			name: 'pandas',
 			version: '0.24.2'
-		}, {
-			name: 'prose-codeaccelerator',
-			version: '1.3.0'
 		}];
 		let packages = installation.getRequiredPackagesForKernel(pysparkDisplayName);
 		should(packages).be.deepEqual(expectedPackages, "Unexpected packages for PySpark kernel.");