diff --git a/lib/haxe/test/src/Main.hx b/lib/haxe/test/src/Main.hx
index e04af78..5976bb0 100644
--- a/lib/haxe/test/src/Main.hx
+++ b/lib/haxe/test/src/Main.hx
@@ -76,9 +76,13 @@
 
             switch( tests) {
                 case Normal:
+                    #if sys
                     StreamTest.Run(server);
+                    #end
                 case Multiplex:
+                    #if ! (flash || html5 || js)
                     MultiplexTest.Run(server);
+                    #end
                 case Constants:
                     ConstantsTest.Run(server);
                 default:
diff --git a/lib/haxe/test/src/MultiplexTest.hx b/lib/haxe/test/src/MultiplexTest.hx
index 74fa357..a17bf15 100644
--- a/lib/haxe/test/src/MultiplexTest.hx
+++ b/lib/haxe/test/src/MultiplexTest.hx
@@ -19,6 +19,8 @@
 
 package;
 
+#if ! (flash || html5 || js)
+
 import haxe.Int64;
 import haxe.Int32;
 
@@ -42,7 +44,6 @@
 import BenchmarkServiceProcessor;
 import Error;
 
-
 class BenchmarkServiceHandler implements BenchmarkService_service
 {
     public function new() {
@@ -221,4 +222,5 @@
 
 }
 
+#end
 
diff --git a/lib/haxe/test/src/StreamTest.hx b/lib/haxe/test/src/StreamTest.hx
index 4744272..3e70ada 100644
--- a/lib/haxe/test/src/StreamTest.hx
+++ b/lib/haxe/test/src/StreamTest.hx
@@ -18,6 +18,7 @@
  */
 
 package;
+#if sys
 
 import haxe.Int64;
 import sys.FileSystem;
@@ -95,3 +96,4 @@
 }
 
 
+#end