diff --git a/src/vs/platform/configuration/common/configurationRegistry.ts b/src/vs/platform/configuration/common/configurationRegistry.ts
index 0c63a065226..55586aab789 100644
--- a/src/vs/platform/configuration/common/configurationRegistry.ts
+++ b/src/vs/platform/configuration/common/configurationRegistry.ts
@@ -76,7 +76,6 @@ export enum ConfigurationScope {
 export interface IConfigurationPropertySchema extends IJSONSchema {
 	overridable?: boolean;
 	scope?: ConfigurationScope;
-	notMultiRootAdopted?: boolean;
 	included?: boolean;
 	tags?: string[];
 }
diff --git a/src/vs/workbench/services/configuration/common/configurationExtensionPoint.ts b/src/vs/workbench/services/configuration/common/configurationExtensionPoint.ts
index 6197ea71e29..647bb0cd36c 100644
--- a/src/vs/workbench/services/configuration/common/configurationExtensionPoint.ts
+++ b/src/vs/workbench/services/configuration/common/configurationExtensionPoint.ts
@@ -162,7 +162,6 @@ function validateProperties(configuration: IConfigurationNode, extension: IExten
 			} else {
 				propertyConfiguration.scope = ConfigurationScope.WINDOW;
 			}
-			propertyConfiguration.notMultiRootAdopted = !(extension.description.isBuiltin || (Array.isArray(extension.description.keywords) && extension.description.keywords.indexOf('multi-root ready') !== -1));
 		}
 	}
 	let subNodes = configuration.allOf;
diff --git a/src/vs/workbench/services/workspace/node/workspaceEditingService.ts b/src/vs/workbench/services/workspace/node/workspaceEditingService.ts
index fabe0d2c25f..8b59bfe6783 100644
--- a/src/vs/workbench/services/workspace/node/workspaceEditingService.ts
+++ b/src/vs/workbench/services/workspace/node/workspaceEditingService.ts
@@ -247,7 +247,7 @@ export class WorkspaceEditingService implements IWorkspaceEditingService {
 	}
 
 	private migrateWorkspaceSettings(toWorkspace: IWorkspaceIdentifier): TPromise<void> {
-		return this.doCopyWorkspaceSettings(toWorkspace, setting => !setting.notMultiRootAdopted && setting.scope === ConfigurationScope.WINDOW);
+		return this.doCopyWorkspaceSettings(toWorkspace, setting => setting.scope === ConfigurationScope.WINDOW);
 	}
 
 	copyWorkspaceSettings(toWorkspace: IWorkspaceIdentifier): TPromise<void> {