diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 0b17d95ac2b..cd08e592be8 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -357,14 +357,6 @@ module ts {
         forEachChild(sourceFile, walk);
     }
 
-    export function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[] {
-        if (!sourceFile.syntacticDiagnostics) {
-            sourceFile.syntacticDiagnostics = sourceFile.referenceDiagnostics.concat(sourceFile.parseDiagnostics);
-        }
-
-        return sourceFile.syntacticDiagnostics;
-    }
-
     function moveElementEntirelyPastChangeRange(element: IncrementalElement, delta: number) {
         if (element.length) {
             visitArray(<IncrementalNodeArray>element);
@@ -880,7 +872,6 @@ module ts {
         sourceFile.end = sourceText.length;
         sourceFile.text = sourceText;
 
-        sourceFile.referenceDiagnostics = [];
         sourceFile.parseDiagnostics = [];
         sourceFile.bindDiagnostics = [];
         sourceFile.languageVersion = languageVersion;
@@ -4698,7 +4689,7 @@ module ts {
                         referencedFiles.push(fileReference);
                     }
                     if (diagnosticMessage) {
-                        sourceFile.referenceDiagnostics.push(createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage));
+                        sourceFile.parseDiagnostics.push(createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage));
                     }
                 }
                 else {
@@ -4706,7 +4697,7 @@ module ts {
                     var amdModuleNameMatchResult = amdModuleNameRegEx.exec(comment);
                     if (amdModuleNameMatchResult) {
                         if (amdModuleName) {
-                            sourceFile.referenceDiagnostics.push(createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments));
+                            sourceFile.parseDiagnostics.push(createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, Diagnostics.An_AMD_module_cannot_have_multiple_name_assignments));
                         }
                         amdModuleName = amdModuleNameMatchResult[2];
                     }
diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index ee41e9c4ba7..588ac3ac789 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -225,13 +225,17 @@ module ts {
         }
 
         function getSyntacticDiagnostics(sourceFile?: SourceFile): Diagnostic[]{
-            return getDiagnosticsHelper(sourceFile, ts.getSyntacticDiagnostics);
+            return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile);
         }
 
         function getSemanticDiagnostics(sourceFile?: SourceFile): Diagnostic[]{
             return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile);
         }
 
+        function getSyntacticDiagnosticsForFile(sourceFile: SourceFile): Diagnostic[] {
+            return sourceFile.parseDiagnostics;
+        }
+
         function getSemanticDiagnosticsForFile(sourceFile: SourceFile): Diagnostic[] {
             var typeChecker = getDiagnosticsProducingTypeChecker();
 
diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 75cee5e7314..8a5822f3266 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -902,20 +902,13 @@ module ts {
         /* @internal */ identifierCount: number;
         /* @internal */ symbolCount: number;
 
-        // Diagnostics reported about the "///<reference" comments in the file.
-        /* @internal */ referenceDiagnostics: Diagnostic[];
-        
-        // Parse errors refer specifically to things the parser could not understand at all (like 
-        // missing tokens, or tokens it didn't know how to deal with).
+        // File level diagnostics reported by the parser (includes diagnostics about /// references
+        // as well as code diagnostics).
         /* @internal */ parseDiagnostics: Diagnostic[];
         
         // File level diagnostics reported by the binder.
         /* @internal */ bindDiagnostics: Diagnostic[];
         
-        // Returns all syntactic diagnostics (i.e. the reference, parser and grammar diagnostics).
-        // This field should never be used directly, use getSyntacticDiagnostics function instead.
-        /* @internal */ syntacticDiagnostics: Diagnostic[];
-
         // Stores a line map for the file.
         // This field should never be used directly to obtain line map, use getLineMap function instead.
         /* @internal */ lineMap: number[];
diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index 5ce3d3f37b9..a5a34aaa4c3 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -1407,7 +1407,7 @@ module FourSlash {
             var incrementalSourceFile = this.languageService.getSourceFile(this.activeFile.fileName);
             Utils.assertInvariants(incrementalSourceFile, /*parent:*/ undefined);
 
-            var incrementalSyntaxDiagnostics = ts.getSyntacticDiagnostics(incrementalSourceFile);
+            var incrementalSyntaxDiagnostics = incrementalSourceFile.parseDiagnostics;
 
             // Check syntactic structure
             var snapshot = this.languageServiceShimHost.getScriptSnapshot(this.activeFile.fileName);
@@ -1415,7 +1415,7 @@ module FourSlash {
 
             var referenceSourceFile = ts.createLanguageServiceSourceFile(
                 this.activeFile.fileName, createScriptSnapShot(content), ts.ScriptTarget.Latest, /*version:*/ "0", /*setNodeParents:*/ false);
-            var referenceSyntaxDiagnostics = ts.getSyntacticDiagnostics(referenceSourceFile);
+            var referenceSyntaxDiagnostics = referenceSourceFile.parseDiagnostics;
 
             Utils.assertDiagnosticsEquals(incrementalSyntaxDiagnostics, referenceSyntaxDiagnostics);
             Utils.assertStructuralEquals(incrementalSourceFile, referenceSourceFile);
diff --git a/src/services/services.ts b/src/services/services.ts
index da695920cd7..7e01f4798a5 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -64,7 +64,6 @@ module ts {
         getLineAndCharacterFromPosition(pos: number): LineAndCharacter;
         getLineStarts(): number[];
         getPositionFromLineAndCharacter(line: number, character: number): number;
-        getSyntacticDiagnostics(): Diagnostic[];
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;
     }
 
@@ -747,10 +746,6 @@ module ts {
 
         private namedDeclarations: Declaration[];
 
-        public getSyntacticDiagnostics(): Diagnostic[]{
-            return getSyntacticDiagnostics(this);
-        }
-
         public update(newText: string, textChangeRange: TextChangeRange): SourceFile {
             return updateSourceFile(this, newText, textChangeRange);
         }
diff --git a/tests/baselines/reference/APISample_compile.js b/tests/baselines/reference/APISample_compile.js
index c64da05d512..1d893639576 100644
--- a/tests/baselines/reference/APISample_compile.js
+++ b/tests/baselines/reference/APISample_compile.js
@@ -1407,7 +1407,6 @@ declare module "typescript" {
     function createNode(kind: SyntaxKind): Node;
     function forEachChild<T>(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T;
     function modifierToFlag(token: SyntaxKind): NodeFlags;
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;
     function isEvalOrArgumentsIdentifier(node: Node): boolean;
     function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile;
@@ -1473,7 +1472,6 @@ declare module "typescript" {
         getLineAndCharacterFromPosition(pos: number): LineAndCharacter;
         getLineStarts(): number[];
         getPositionFromLineAndCharacter(line: number, character: number): number;
-        getSyntacticDiagnostics(): Diagnostic[];
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;
     }
     /**
diff --git a/tests/baselines/reference/APISample_compile.types b/tests/baselines/reference/APISample_compile.types
index e5ac6de7c10..e5d69bbcfd2 100644
--- a/tests/baselines/reference/APISample_compile.types
+++ b/tests/baselines/reference/APISample_compile.types
@@ -4493,12 +4493,6 @@ declare module "typescript" {
 >SyntaxKind : SyntaxKind
 >NodeFlags : NodeFlags
 
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];

->getSyntacticDiagnostics : (sourceFile: SourceFile) => Diagnostic[]
->sourceFile : SourceFile
->SourceFile : SourceFile
->Diagnostic : Diagnostic
-
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;

 >updateSourceFile : (sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange) => SourceFile
 >sourceFile : SourceFile
@@ -4755,10 +4749,6 @@ declare module "typescript" {
 >line : number
 >character : number
 
-        getSyntacticDiagnostics(): Diagnostic[];

->getSyntacticDiagnostics : () => Diagnostic[]
->Diagnostic : Diagnostic
-
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;

 >update : (newText: string, textChangeRange: TextChangeRange) => SourceFile
 >newText : string
diff --git a/tests/baselines/reference/APISample_linter.js b/tests/baselines/reference/APISample_linter.js
index b84bcdb33fd..6edb6399bf9 100644
--- a/tests/baselines/reference/APISample_linter.js
+++ b/tests/baselines/reference/APISample_linter.js
@@ -1439,7 +1439,6 @@ declare module "typescript" {
     function createNode(kind: SyntaxKind): Node;
     function forEachChild<T>(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T;
     function modifierToFlag(token: SyntaxKind): NodeFlags;
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;
     function isEvalOrArgumentsIdentifier(node: Node): boolean;
     function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile;
@@ -1505,7 +1504,6 @@ declare module "typescript" {
         getLineAndCharacterFromPosition(pos: number): LineAndCharacter;
         getLineStarts(): number[];
         getPositionFromLineAndCharacter(line: number, character: number): number;
-        getSyntacticDiagnostics(): Diagnostic[];
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;
     }
     /**
diff --git a/tests/baselines/reference/APISample_linter.types b/tests/baselines/reference/APISample_linter.types
index 798d41e70ee..4ce2c4d92db 100644
--- a/tests/baselines/reference/APISample_linter.types
+++ b/tests/baselines/reference/APISample_linter.types
@@ -4640,12 +4640,6 @@ declare module "typescript" {
 >SyntaxKind : SyntaxKind
 >NodeFlags : NodeFlags
 
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];

->getSyntacticDiagnostics : (sourceFile: SourceFile) => Diagnostic[]
->sourceFile : SourceFile
->SourceFile : SourceFile
->Diagnostic : Diagnostic
-
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;

 >updateSourceFile : (sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange) => SourceFile
 >sourceFile : SourceFile
@@ -4902,10 +4896,6 @@ declare module "typescript" {
 >line : number
 >character : number
 
-        getSyntacticDiagnostics(): Diagnostic[];

->getSyntacticDiagnostics : () => Diagnostic[]
->Diagnostic : Diagnostic
-
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;

 >update : (newText: string, textChangeRange: TextChangeRange) => SourceFile
 >newText : string
diff --git a/tests/baselines/reference/APISample_transform.js b/tests/baselines/reference/APISample_transform.js
index 4b235f25df3..023e3c5fa06 100644
--- a/tests/baselines/reference/APISample_transform.js
+++ b/tests/baselines/reference/APISample_transform.js
@@ -1440,7 +1440,6 @@ declare module "typescript" {
     function createNode(kind: SyntaxKind): Node;
     function forEachChild<T>(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T;
     function modifierToFlag(token: SyntaxKind): NodeFlags;
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;
     function isEvalOrArgumentsIdentifier(node: Node): boolean;
     function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile;
@@ -1506,7 +1505,6 @@ declare module "typescript" {
         getLineAndCharacterFromPosition(pos: number): LineAndCharacter;
         getLineStarts(): number[];
         getPositionFromLineAndCharacter(line: number, character: number): number;
-        getSyntacticDiagnostics(): Diagnostic[];
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;
     }
     /**
diff --git a/tests/baselines/reference/APISample_transform.types b/tests/baselines/reference/APISample_transform.types
index 6a149ddbae3..445cd50a205 100644
--- a/tests/baselines/reference/APISample_transform.types
+++ b/tests/baselines/reference/APISample_transform.types
@@ -4592,12 +4592,6 @@ declare module "typescript" {
 >SyntaxKind : SyntaxKind
 >NodeFlags : NodeFlags
 
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];

->getSyntacticDiagnostics : (sourceFile: SourceFile) => Diagnostic[]
->sourceFile : SourceFile
->SourceFile : SourceFile
->Diagnostic : Diagnostic
-
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;

 >updateSourceFile : (sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange) => SourceFile
 >sourceFile : SourceFile
@@ -4854,10 +4848,6 @@ declare module "typescript" {
 >line : number
 >character : number
 
-        getSyntacticDiagnostics(): Diagnostic[];

->getSyntacticDiagnostics : () => Diagnostic[]
->Diagnostic : Diagnostic
-
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;

 >update : (newText: string, textChangeRange: TextChangeRange) => SourceFile
 >newText : string
diff --git a/tests/baselines/reference/APISample_watcher.js b/tests/baselines/reference/APISample_watcher.js
index 8c53f252843..9bdd3d71d07 100644
--- a/tests/baselines/reference/APISample_watcher.js
+++ b/tests/baselines/reference/APISample_watcher.js
@@ -1477,7 +1477,6 @@ declare module "typescript" {
     function createNode(kind: SyntaxKind): Node;
     function forEachChild<T>(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T;
     function modifierToFlag(token: SyntaxKind): NodeFlags;
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;
     function isEvalOrArgumentsIdentifier(node: Node): boolean;
     function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile;
@@ -1543,7 +1542,6 @@ declare module "typescript" {
         getLineAndCharacterFromPosition(pos: number): LineAndCharacter;
         getLineStarts(): number[];
         getPositionFromLineAndCharacter(line: number, character: number): number;
-        getSyntacticDiagnostics(): Diagnostic[];
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;
     }
     /**
diff --git a/tests/baselines/reference/APISample_watcher.types b/tests/baselines/reference/APISample_watcher.types
index 8a1f4aa259d..1c4efc7b5db 100644
--- a/tests/baselines/reference/APISample_watcher.types
+++ b/tests/baselines/reference/APISample_watcher.types
@@ -4766,12 +4766,6 @@ declare module "typescript" {
 >SyntaxKind : SyntaxKind
 >NodeFlags : NodeFlags
 
-    function getSyntacticDiagnostics(sourceFile: SourceFile): Diagnostic[];

->getSyntacticDiagnostics : (sourceFile: SourceFile) => Diagnostic[]
->sourceFile : SourceFile
->SourceFile : SourceFile
->Diagnostic : Diagnostic
-
     function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange): SourceFile;

 >updateSourceFile : (sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange) => SourceFile
 >sourceFile : SourceFile
@@ -5028,10 +5022,6 @@ declare module "typescript" {
 >line : number
 >character : number
 
-        getSyntacticDiagnostics(): Diagnostic[];

->getSyntacticDiagnostics : () => Diagnostic[]
->Diagnostic : Diagnostic
-
         update(newText: string, textChangeRange: TextChangeRange): SourceFile;

 >update : (newText: string, textChangeRange: TextChangeRange) => SourceFile
 >newText : string
diff --git a/tests/cases/unittests/incrementalParser.ts b/tests/cases/unittests/incrementalParser.ts
index 1b5e1a665ab..7c4213e22c2 100644
--- a/tests/cases/unittests/incrementalParser.ts
+++ b/tests/cases/unittests/incrementalParser.ts
@@ -24,8 +24,8 @@ module ts {
     }
 
     function assertSameDiagnostics(file1: SourceFile, file2: SourceFile) {
-        var diagnostics1 = getSyntacticDiagnostics(file1);
-        var diagnostics2 = getSyntacticDiagnostics(file2);
+        var diagnostics1 = file1.parseDiagnostics;
+        var diagnostics2 = file2.parseDiagnostics;
 
         assert.equal(diagnostics1.length, diagnostics2.length, "diagnostics1.length !== diagnostics2.length");
         for (var i = 0, n = diagnostics1.length; i < n; i++) {