diff --git a/build/gulpfile.extensions.js b/build/gulpfile.extensions.js
index 6e699406303..ae6c7175b0b 100644
--- a/build/gulpfile.extensions.js
+++ b/build/gulpfile.extensions.js
@@ -77,7 +77,7 @@ const tasks = compilations.map(function(tsconfigFile) {
 					sourceMappingURL: !build ? null : f => `${ baseUrl }/${ f.relative }.map`,
 					addComment: !!build,
 					includeContent: !!build,
-					sourceRoot: file => '../'.repeat(file.relative.split(path.sep).length) + 'src'
+					sourceRoot: '../src'
 				}))
 				.pipe(tsFilter.restore)
 				.pipe(build ? nlsDev.createAdditionalLanguageFiles(languages, i18n, out) : es.through())
diff --git a/extensions/css/server/tsconfig.json b/extensions/css/server/tsconfig.json
index b37b37e55dc..8cb16334377 100644
--- a/extensions/css/server/tsconfig.json
+++ b/extensions/css/server/tsconfig.json
@@ -3,8 +3,6 @@
 		"noLib": true,
 		"target": "es5",
 		"module": "commonjs",
-		"sourceMap": true,
-		"sourceRoot": "../src",
 		"outDir": "./out"
 	},
 	"exclude": [
diff --git a/extensions/html/server/tsconfig.json b/extensions/html/server/tsconfig.json
index b37b37e55dc..8cb16334377 100644
--- a/extensions/html/server/tsconfig.json
+++ b/extensions/html/server/tsconfig.json
@@ -3,8 +3,6 @@
 		"noLib": true,
 		"target": "es5",
 		"module": "commonjs",
-		"sourceMap": true,
-		"sourceRoot": "../src",
 		"outDir": "./out"
 	},
 	"exclude": [
diff --git a/extensions/typescript/tsconfig.json b/extensions/typescript/tsconfig.json
index 78925298fe9..f2e6dc1a6f5 100644
--- a/extensions/typescript/tsconfig.json
+++ b/extensions/typescript/tsconfig.json
@@ -3,8 +3,6 @@
 		"noLib": true,
 		"target": "es5",
 		"module": "commonjs",
-		"sourceMap": true,
-		"sourceRoot": "../src",
 		"outDir": "./out"
 	},
 	"exclude": [
diff --git a/package.json b/package.json
index 7ea74a3d600..11eb0a4c29b 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "gulp-replace": "^0.5.4",
     "gulp-shell": "^0.5.2",
     "gulp-sourcemaps": "^1.6.0",
-    "gulp-tsb": "^2.0.1",
+    "gulp-tsb": "^2.0.2",
     "gulp-tslint": "^4.3.0",
     "gulp-uglify": "^2.0.0",
     "gulp-util": "^3.0.6",