diff --git a/src/vs/workbench/contrib/debug/browser/baseDebugView.ts b/src/vs/workbench/contrib/debug/browser/baseDebugView.ts
index cc2159aebd0..917921fc5c7 100644
--- a/src/vs/workbench/contrib/debug/browser/baseDebugView.ts
+++ b/src/vs/workbench/contrib/debug/browser/baseDebugView.ts
@@ -23,8 +23,7 @@ import { IDebugService, IExpression, IExpressionContainer } from 'vs/workbench/c
 import { Expression, ExpressionContainer, Variable } from 'vs/workbench/contrib/debug/common/debugModel';
 import { ReplEvaluationResult } from 'vs/workbench/contrib/debug/common/replModel';
 
-export const MAX_VALUE_RENDER_LENGTH_IN_VIEWLET = 1024;
-export const twistiePixels = 20;
+const MAX_VALUE_RENDER_LENGTH_IN_VIEWLET = 1024;
 const booleanRegex = /^(true|false)$/i;
 const stringRegex = /^(['"]).*\1$/;
 const $ = dom.$;
diff --git a/src/vs/workbench/contrib/debug/browser/breakpointWidget.ts b/src/vs/workbench/contrib/debug/browser/breakpointWidget.ts
index fb873a5fc69..eb3dc8780b0 100644
--- a/src/vs/workbench/contrib/debug/browser/breakpointWidget.ts
+++ b/src/vs/workbench/contrib/debug/browser/breakpointWidget.ts
@@ -42,7 +42,7 @@ import { ILanguageFeaturesService } from 'vs/editor/common/services/languageFeat
 
 const $ = dom.$;
 const IPrivateBreakpointWidgetService = createDecorator<IPrivateBreakpointWidgetService>('privateBreakpointWidgetService');
-export interface IPrivateBreakpointWidgetService {
+interface IPrivateBreakpointWidgetService {
 	readonly _serviceBrand: undefined;
 	close(success: boolean): void;
 }
diff --git a/src/vs/workbench/contrib/debug/browser/variablesView.ts b/src/vs/workbench/contrib/debug/browser/variablesView.ts
index 965282e66ce..15ee525c464 100644
--- a/src/vs/workbench/contrib/debug/browser/variablesView.ts
+++ b/src/vs/workbench/contrib/debug/browser/variablesView.ts
@@ -295,7 +295,7 @@ function isStackFrame(obj: any): obj is IStackFrame {
 	return obj instanceof StackFrame;
 }
 
-export class VariablesDataSource implements IAsyncDataSource<IStackFrame | null, IExpression | IScope> {
+class VariablesDataSource implements IAsyncDataSource<IStackFrame | null, IExpression | IScope> {
 
 	hasChildren(element: IStackFrame | null | IExpression | IScope): boolean {
 		if (!element) {
diff --git a/src/vs/workbench/contrib/debug/browser/watchExpressionsView.ts b/src/vs/workbench/contrib/debug/browser/watchExpressionsView.ts
index 3c1669fdece..702eadc54e1 100644
--- a/src/vs/workbench/contrib/debug/browser/watchExpressionsView.ts
+++ b/src/vs/workbench/contrib/debug/browser/watchExpressionsView.ts
@@ -263,7 +263,7 @@ class WatchExpressionsDataSource implements IAsyncDataSource<IDebugService, IExp
 }
 
 
-export class WatchExpressionsRenderer extends AbstractExpressionsRenderer {
+class WatchExpressionsRenderer extends AbstractExpressionsRenderer {
 
 	static readonly ID = 'watchexpression';
 
diff --git a/src/vs/workbench/contrib/debug/common/debug.ts b/src/vs/workbench/contrib/debug/common/debug.ts
index 8698a9c0f28..59492b52407 100644
--- a/src/vs/workbench/contrib/debug/common/debug.ts
+++ b/src/vs/workbench/contrib/debug/common/debug.ts
@@ -38,7 +38,6 @@ export const BREAKPOINTS_VIEW_ID = 'workbench.debug.breakPointsView';
 export const DISASSEMBLY_VIEW_ID = 'workbench.debug.disassemblyView';
 export const DEBUG_PANEL_ID = 'workbench.panel.repl';
 export const REPL_VIEW_ID = 'workbench.panel.repl.view';
-export const DEBUG_SERVICE_ID = 'debugService';
 export const CONTEXT_DEBUG_TYPE = new RawContextKey<string>('debugType', undefined, { type: 'string', description: nls.localize('debugType', "Debug type of the active debug session. For example 'python'.") });
 export const CONTEXT_DEBUG_CONFIGURATION_TYPE = new RawContextKey<string>('debugConfigurationType', undefined, { type: 'string', description: nls.localize('debugConfigurationType', "Debug type of the selected launch configuration. For example 'python'.") });
 export const CONTEXT_DEBUG_STATE = new RawContextKey<string>('debugState', 'inactive', { type: 'string', description: nls.localize('debugState', "State that the focused debug session is in. One of the following: 'inactive', 'initializing', 'stopped' or 'running'.") });
@@ -663,7 +662,7 @@ export interface IGlobalConfig {
 	configurations: IConfig[];
 }
 
-export interface IEnvConfig {
+interface IEnvConfig {
 	internalConsoleOptions?: 'neverOpen' | 'openOnSessionStart' | 'openOnFirstSessionStart';
 	preRestartTask?: string | ITaskIdentifier;
 	postRestartTask?: string | ITaskIdentifier;
@@ -937,7 +936,7 @@ export interface ILaunch {
 
 // Debug service interfaces
 
-export const IDebugService = createDecorator<IDebugService>(DEBUG_SERVICE_ID);
+export const IDebugService = createDecorator<IDebugService>('debugService');
 
 export interface IDebugService {
 	readonly _serviceBrand: undefined;