diff --git a/src/vs/workbench/parts/debug/browser/debugEditorActions.ts b/src/vs/workbench/parts/debug/browser/debugEditorActions.ts
index 4196b78b1703d0debd658e760d5cc24f2e9c73e4..9df1f8a0becdf3457a7cf0e7f07a86105d3f8ee3 100644
--- a/src/vs/workbench/parts/debug/browser/debugEditorActions.ts
+++ b/src/vs/workbench/parts/debug/browser/debugEditorActions.ts
@@ -101,7 +101,7 @@ class RunToCursorAction extends EditorAction {
 		const oneTimeListener = debugService.getViewModel().focusedProcess.session.onDidEvent(event => {
 			if (event.event === 'stopped' || event.event === 'exit') {
 				const toRemove = debugService.getModel().getBreakpoints()
-					.filter(bp => bp.desiredLineNumber === lineNumber && bp.uri.toString() === uri.toString()).pop();
+					.filter(bp => bp.lineNumber === lineNumber && bp.uri.toString() === uri.toString()).pop();
 				if (toRemove) {
 					debugService.removeBreakpoints(toRemove.getId());
 				}
diff --git a/src/vs/workbench/parts/debug/common/debug.ts b/src/vs/workbench/parts/debug/common/debug.ts
index b829070e8d714138e35949d75eced951e08d8c9f..72a2bb0fd4f4d29209bf002e0454f31c6b9c31a9 100644
--- a/src/vs/workbench/parts/debug/common/debug.ts
+++ b/src/vs/workbench/parts/debug/common/debug.ts
@@ -186,7 +186,6 @@ export interface IRawBreakpoint {
 export interface IBreakpoint extends IEnablement {
 	uri: uri;
 	lineNumber: number;
-	desiredLineNumber: number;
 	condition: string;
 	hitCondition: string;
 	verified: boolean;
diff --git a/src/vs/workbench/parts/debug/common/debugModel.ts b/src/vs/workbench/parts/debug/common/debugModel.ts
index 0d01631bac8320a9a1d3314745f16b70e30bb80f..ef0fbe7218e40b8503d9f41a6e5c92278efc014b 100644
--- a/src/vs/workbench/parts/debug/common/debugModel.ts
+++ b/src/vs/workbench/parts/debug/common/debugModel.ts
@@ -570,7 +570,6 @@ export class Process implements debug.IProcess {
 
 export class Breakpoint implements debug.IBreakpoint {
 
-	public lineNumber: number;
 	public verified: boolean;
 	public idFromAdapter: number;
 	public message: string;
@@ -578,7 +577,7 @@ export class Breakpoint implements debug.IBreakpoint {
 
 	constructor(
 		public uri: uri,
-		public desiredLineNumber: number,
+		public lineNumber: number,
 		public enabled: boolean,
 		public condition: string,
 		public hitCondition: string
@@ -586,7 +585,6 @@ export class Breakpoint implements debug.IBreakpoint {
 		if (enabled === undefined) {
 			this.enabled = true;
 		}
-		this.lineNumber = this.desiredLineNumber;
 		this.verified = false;
 		this.id = generateUuid();
 	}
@@ -755,6 +753,9 @@ export class Model implements debug.IModel {
 				bp.message = bpData.message;
 			}
 		});
+
+		// Remove duplicate breakpoints. This can happen when an adapter updates a line number of a breakpoint
+		this.breakpoints = distinct(this.breakpoints, bp => bp.uri.toString() + bp.lineNumber);
 		this._onDidChangeBreakpoints.fire();
 	}
 
@@ -762,7 +763,6 @@ export class Model implements debug.IModel {
 		element.enabled = enable;
 		if (element instanceof Breakpoint && !element.enabled) {
 			var breakpoint = <Breakpoint>element;
-			breakpoint.lineNumber = breakpoint.desiredLineNumber;
 			breakpoint.verified = false;
 		}
 
@@ -773,7 +773,6 @@ export class Model implements debug.IModel {
 		this.breakpoints.forEach(bp => {
 			bp.enabled = enable;
 			if (!enable) {
-				bp.lineNumber = bp.desiredLineNumber;
 				bp.verified = false;
 			}
 		});
diff --git a/src/vs/workbench/parts/debug/electron-browser/debugService.ts b/src/vs/workbench/parts/debug/electron-browser/debugService.ts
index 1659718dc1ca357bd17395019f60246da7f2ae39..10ed31d30d63cfc2ed59b38fb29ae08847a426c9 100644
--- a/src/vs/workbench/parts/debug/electron-browser/debugService.ts
+++ b/src/vs/workbench/parts/debug/electron-browser/debugService.ts
@@ -375,7 +375,7 @@ export class DebugService implements debug.IDebugService {
 		let result: Breakpoint[];
 		try {
 			result = JSON.parse(this.storageService.get(DEBUG_BREAKPOINTS_KEY, StorageScope.WORKSPACE, '[]')).map((breakpoint: any) => {
-				return new Breakpoint(uri.parse(breakpoint.uri.external || breakpoint.source.uri.external), breakpoint.desiredLineNumber || breakpoint.lineNumber, breakpoint.enabled, breakpoint.condition, breakpoint.hitCondition);
+				return new Breakpoint(uri.parse(breakpoint.uri.external || breakpoint.source.uri.external), breakpoint.lineNumber, breakpoint.enabled, breakpoint.condition, breakpoint.hitCondition);
 			});
 		} catch (e) { }
 
@@ -943,10 +943,8 @@ export class DebugService implements debug.IDebugService {
 				return TPromise.as(null);
 			}
 
-			const breakpointsToSend = distinct(
-				this.model.getBreakpoints().filter(bp => this.model.areBreakpointsActivated() && bp.enabled && bp.uri.toString() === modelUri.toString()),
-				bp => `${bp.desiredLineNumber}`
-			);
+			const breakpointsToSend = distinct(this.model.getBreakpoints().filter(bp => this.model.areBreakpointsActivated() && bp.enabled && bp.uri.toString() === modelUri.toString()),
+				bp => bp.lineNumber.toString());
 
 			let rawSource: DebugProtocol.Source;
 			for (let t of process.getAllThreads()) {
@@ -964,8 +962,8 @@ export class DebugService implements debug.IDebugService {
 
 			return session.setBreakpoints({
 				source: rawSource,
-				lines: breakpointsToSend.map(bp => bp.desiredLineNumber),
-				breakpoints: breakpointsToSend.map(bp => ({ line: bp.desiredLineNumber, condition: bp.condition, hitCondition: bp.hitCondition })),
+				lines: breakpointsToSend.map(bp => bp.lineNumber),
+				breakpoints: breakpointsToSend.map(bp => ({ line: bp.lineNumber, condition: bp.condition, hitCondition: bp.hitCondition })),
 				sourceModified
 			}).then(response => {
 				if (!response || !response.body) {
diff --git a/src/vs/workbench/parts/debug/electron-browser/debugViewer.ts b/src/vs/workbench/parts/debug/electron-browser/debugViewer.ts
index 580cb6f4e7dd5df1f50eb03ac4373f029da23177..c459417e3f0d675160ee8897260149676a668ba4 100644
--- a/src/vs/workbench/parts/debug/electron-browser/debugViewer.ts
+++ b/src/vs/workbench/parts/debug/electron-browser/debugViewer.ts
@@ -1257,7 +1257,7 @@ export class BreakpointsRenderer implements IRenderer {
 		this.debugService.getModel().areBreakpointsActivated() ? tree.removeTraits('disabled', [breakpoint]) : tree.addTraits('disabled', [breakpoint]);
 
 		data.name.textContent = getPathLabel(paths.basename(breakpoint.uri.fsPath), this.contextService);
-		data.lineNumber.textContent = breakpoint.desiredLineNumber !== breakpoint.lineNumber ? breakpoint.desiredLineNumber + ' \u2192 ' + breakpoint.lineNumber : '' + breakpoint.lineNumber;
+		data.lineNumber.textContent = breakpoint.lineNumber.toString();
 		data.filePath.textContent = getPathLabel(paths.dirname(breakpoint.uri.fsPath), this.contextService);
 		data.checkbox.checked = breakpoint.enabled;
 		data.actionBar.context = breakpoint;
diff --git a/src/vs/workbench/parts/debug/electron-browser/debugViews.ts b/src/vs/workbench/parts/debug/electron-browser/debugViews.ts
index 4c978c7dcb59f724f31fb69fa8348969ab35ba98..20fa93a163a5693aa0cd3d437fee5e9d90974448 100644
--- a/src/vs/workbench/parts/debug/electron-browser/debugViews.ts
+++ b/src/vs/workbench/parts/debug/electron-browser/debugViews.ts
@@ -382,7 +382,7 @@ export class BreakpointsView extends AdaptiveCollapsibleViewletView {
 						return paths.basename(first.uri.fsPath).localeCompare(paths.basename(second.uri.fsPath));
 					}
 
-					return first.desiredLineNumber - second.desiredLineNumber;
+					return first.lineNumber - second.lineNumber;
 				}
 			}
 		}, debugTreeOptions(nls.localize({ comment: ['Debug is a noun in this context, not a verb.'], key: 'breakpointsAriaTreeLabel' }, "Debug Breakpoints")));
diff --git a/src/vs/workbench/parts/debug/test/node/debugModel.test.ts b/src/vs/workbench/parts/debug/test/node/debugModel.test.ts
index e014d245e8976cd39c25dfbd7d32f2a213ea8d1f..0259b19346a112bfd14afacb081a22500c85651e 100644
--- a/src/vs/workbench/parts/debug/test/node/debugModel.test.ts
+++ b/src/vs/workbench/parts/debug/test/node/debugModel.test.ts
@@ -57,12 +57,10 @@ suite('Debug - Model', () => {
 
 		assert.equal(model.getBreakpoints().length, 5);
 		var bp = model.getBreakpoints()[0];
-		var originalLineLumber = bp.lineNumber;
 		const update: any = {};
 		update[bp.getId()] = { line: 100, verified: false };
 		model.updateBreakpoints(update);
 		assert.equal(bp.lineNumber, 100);
-		assert.equal(bp.desiredLineNumber, originalLineLumber);
 
 		model.enableOrDisableAllBreakpoints(false);
 		model.getBreakpoints().forEach(bp => {