1 files changed, 2 insertions, 7 deletions

diff --git a/src/library_path.js b/src/library_path.js
index 09808acd..15086e25 100644
--- a/src/library_path.js
+++ b/src/library_path.js
@@ -73,12 +73,7 @@ mergeInto(LibraryManager.library, {
     },
     join: function() {
       var paths = Array.prototype.slice.call(arguments, 0);
-      return PATH.normalize(paths.filter(function(p, index) {
-        if (typeof p !== 'string') {
-          throw new TypeError('Arguments to path.join must be strings');
-        }
-        return p;
-      }).join('/'));
+      return PATH.normalize(paths.join('/'));
     },
     resolve: function() {
       var resolvedPath = '',
@@ -134,4 +129,4 @@ mergeInto(LibraryManager.library, {
       return outputParts.join('/');
     }
   }
-});
\ No newline at end of file
+});