diff --git a/build/gulpfile.extensions.js b/build/gulpfile.extensions.js
index 1488f96ec44..c7591abc6c6 100644
--- a/build/gulpfile.extensions.js
+++ b/build/gulpfile.extensions.js
@@ -163,10 +163,8 @@ const tasks = compilations.map(function (tsconfigFile) {
 	};
 });
 
-gulp.task('clean-extensions', tasks.map(t => t.clean));
 gulp.task('compile-extensions', tasks.map(t => t.compile));
 gulp.task('watch-extensions', tasks.map(t => t.watch));
 
-gulp.task('clean-extensions-build', tasks.map(t => t.cleanBuild));
 gulp.task('compile-extensions-build', tasks.map(t => t.compileBuild));
 gulp.task('watch-extensions-build', tasks.map(t => t.watchBuild));
diff --git a/gulpfile.js b/gulpfile.js
index fe899377d79..133717f6c3a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -27,12 +27,10 @@ gulp.task('watch-client-build', ['clean-client-build'], compilation.watchTask('o
 gulp.task('default', ['compile']);
 
 // All
-gulp.task('clean', ['clean-client', 'clean-extensions']);
 gulp.task('compile', ['monaco-typecheck', 'compile-client', 'compile-extensions']);
 gulp.task('watch', [/* 'monaco-typecheck-watch', */ 'watch-client', 'watch-extensions']);
 
 // All Build
-gulp.task('clean-build', ['clean-client-build', 'clean-extensions-build']);
 gulp.task('compile-build', ['compile-client-build', 'compile-extensions-build']);
 gulp.task('watch-build', ['watch-client-build', 'watch-extensions-build']);