diff --git a/integration/typings_test_ts36/package.json b/integration/typings_test_ts36/package.json
index 58d97e198ee3..4f5f64ed018e 100644
--- a/integration/typings_test_ts36/package.json
+++ b/integration/typings_test_ts36/package.json
@@ -19,7 +19,7 @@
     "@angular/router": "file:../../dist/packages-dist/router",
     "@angular/service-worker": "file:../../dist/packages-dist/service-worker",
     "@angular/upgrade": "file:../../dist/packages-dist/upgrade",
-    "@types/jasmine": "2.5.41",
+    "@types/jasmine": "file:../../node_modules/@types/jasmine",
     "rxjs": "file:../../node_modules/rxjs",
     "typescript": "3.6.4",
     "zone.js": "file:../../dist/zone.js-dist/zone.js"
diff --git a/integration/typings_test_ts36/tsconfig.json b/integration/typings_test_ts36/tsconfig.json
index c815868e5118..a7522d1cff68 100644
--- a/integration/typings_test_ts36/tsconfig.json
+++ b/integration/typings_test_ts36/tsconfig.json
@@ -1,5 +1,7 @@
 {
   "compilerOptions": {
+    "strict": true,
+    "skipLibCheck": false,
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "module": "commonjs",
@@ -15,7 +17,6 @@
       "es2015.promise"
     ],
     "types": [],
-    "strictNullChecks": true
   },
   "files": [
     "include-all.ts",
diff --git a/integration/typings_test_ts36/yarn.lock b/integration/typings_test_ts36/yarn.lock
index 6108b8b8a65f..cf27763dd7f8 100644
--- a/integration/typings_test_ts36/yarn.lock
+++ b/integration/typings_test_ts36/yarn.lock
@@ -61,10 +61,8 @@
 "@angular/upgrade@file:../../dist/packages-dist/upgrade":
   version "9.0.0-rc.1"
 
-"@types/jasmine@2.5.41":
-  version "2.5.41"
-  resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.5.41.tgz#d5e86161a0af80d52062b310a33ed65b051a0713"
-  integrity sha1-1ehhYaCvgNUgYrMQoz7WWwUaBxM=
+"@types/jasmine@file:../../node_modules/@types/jasmine":
+  version "2.8.8"
 
 abbrev@1:
   version "1.1.1"
diff --git a/integration/typings_test_ts37/package.json b/integration/typings_test_ts37/package.json
index a4dd03d3e910..7e9fee12c97c 100644
--- a/integration/typings_test_ts37/package.json
+++ b/integration/typings_test_ts37/package.json
@@ -19,7 +19,7 @@
     "@angular/router": "file:../../dist/packages-dist/router",
     "@angular/service-worker": "file:../../dist/packages-dist/service-worker",
     "@angular/upgrade": "file:../../dist/packages-dist/upgrade",
-    "@types/jasmine": "2.5.41",
+    "@types/jasmine": "file:../../node_modules/@types/jasmine",
     "rxjs": "file:../../node_modules/rxjs",
     "typescript": "3.7.4",
     "zone.js": "file:../../dist/zone.js-dist/zone.js"
diff --git a/integration/typings_test_ts37/tsconfig.json b/integration/typings_test_ts37/tsconfig.json
index 70c8db79e198..b220b236d5f1 100644
--- a/integration/typings_test_ts37/tsconfig.json
+++ b/integration/typings_test_ts37/tsconfig.json
@@ -1,5 +1,7 @@
 {
   "compilerOptions": {
+    "strict": true,
+    "skipLibCheck": false,
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "module": "commonjs",
@@ -15,7 +17,6 @@
       "es2015.promise"
     ],
     "types": [],
-    "strictNullChecks": true
   },
   "files": [
     "include-all.ts",
diff --git a/integration/typings_test_ts37/yarn.lock b/integration/typings_test_ts37/yarn.lock
index d4b806304274..66d1842ebd01 100644
--- a/integration/typings_test_ts37/yarn.lock
+++ b/integration/typings_test_ts37/yarn.lock
@@ -61,10 +61,8 @@
 "@angular/upgrade@file:../../dist/packages-dist/upgrade":
   version "9.0.0-rc.1"
 
-"@types/jasmine@2.5.41":
-  version "2.5.41"
-  resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.5.41.tgz#d5e86161a0af80d52062b310a33ed65b051a0713"
-  integrity sha1-1ehhYaCvgNUgYrMQoz7WWwUaBxM=
+"@types/jasmine@file:../../node_modules/@types/jasmine":
+  version "2.8.8"
 
 ansi-regex@^2.0.0:
   version "2.1.1"
diff --git a/packages/compiler/src/output/abstract_emitter.ts b/packages/compiler/src/output/abstract_emitter.ts
index ff10e36a4a34..3c809fa59016 100644
--- a/packages/compiler/src/output/abstract_emitter.ts
+++ b/packages/compiler/src/output/abstract_emitter.ts
@@ -36,6 +36,10 @@ export class EmitterVisitorContext {
 
   constructor(private _indent: number) { this._lines = [new _EmittedLine(_indent)]; }
 
+  /**
+   * @internal strip this from published d.ts files due to
+   * https://github.com/microsoft/TypeScript/issues/36216
+   */
   private get _currentLine(): _EmittedLine { return this._lines[this._lines.length - 1]; }
 
   println(from?: {sourceSpan: ParseSourceSpan | null}|null, lastPart: string = ''): void {
@@ -169,6 +173,10 @@ export class EmitterVisitorContext {
     return null;
   }
 
+  /**
+   * @internal strip this from published d.ts files due to
+   * https://github.com/microsoft/TypeScript/issues/36216
+   */
   private get sourceLines(): _EmittedLine[] {
     if (this._lines.length && this._lines[this._lines.length - 1].parts.length === 0) {
       return this._lines.slice(0, -1);
diff --git a/packages/compiler/src/output/source_map.ts b/packages/compiler/src/output/source_map.ts
index 595e94221c96..359e5fb07161 100644
--- a/packages/compiler/src/output/source_map.ts
+++ b/packages/compiler/src/output/source_map.ts
@@ -74,6 +74,10 @@ export class SourceMapGenerator {
     return this;
   }
 
+  /**
+  * @internal strip this from published d.ts files due to
+  * https://github.com/microsoft/TypeScript/issues/36216
+  */
   private get currentLine(): Segment[]|null { return this.lines.slice(-1)[0]; }
 
   toJSON(): SourceMap|null {
diff --git a/packages/core/testing/src/r3_test_bed.ts b/packages/core/testing/src/r3_test_bed.ts
index 3f4b285e5725..6a749280fec0 100644
--- a/packages/core/testing/src/r3_test_bed.ts
+++ b/packages/core/testing/src/r3_test_bed.ts
@@ -351,6 +351,10 @@ export class TestBedRender3 implements TestBed {
     return fixture;
   }
 
+  /**
+   * @internal strip this from published d.ts files due to
+   * https://github.com/microsoft/TypeScript/issues/36216
+   */
   private get compiler(): R3TestBedCompiler {
     if (this._compiler === null) {
       throw new Error(`Need to call TestBed.initTestEnvironment() first`);
@@ -358,6 +362,10 @@ export class TestBedRender3 implements TestBed {
     return this._compiler;
   }
 
+  /**
+   * @internal strip this from published d.ts files due to
+   * https://github.com/microsoft/TypeScript/issues/36216
+   */
   private get testModuleRef(): NgModuleRef<any> {
     if (this._testModuleRef === null) {
       this._testModuleRef = this.compiler.finalize();