diff --git a/src/main/java/com/threerings/presents/tools/GenServiceTask.java b/src/main/java/com/threerings/presents/tools/GenServiceTask.java
index 160c24968..344df91b0 100644
--- a/src/main/java/com/threerings/presents/tools/GenServiceTask.java
+++ b/src/main/java/com/threerings/presents/tools/GenServiceTask.java
@@ -383,8 +383,13 @@ public class GenServiceTask extends InvocationTask
         // change imports of Foo$Bar to Foo_Bar
         imports.translateInnerClasses();
 
-        // marshallers just use the built-in actionscript classes in place of byte, short, etc
-        imports.removeGlobals();
+        // Boolean is built in
+        imports.remove("boolean");
+
+        // int is used for these
+        imports.remove("byte");
+        imports.remove("short");
+        imports.remove("char");
 
         // convert java bases and primitives
         ActionScriptUtils.convertBaseClasses(imports);
diff --git a/src/main/java/com/threerings/presents/tools/ImportSet.java b/src/main/java/com/threerings/presents/tools/ImportSet.java
index 04ba2aa7a..80df9fe96 100644
--- a/src/main/java/com/threerings/presents/tools/ImportSet.java
+++ b/src/main/java/com/threerings/presents/tools/ImportSet.java
@@ -236,6 +236,11 @@ public class ImportSet
         }
     }
 
+    public void remove (String name)
+    {
+        _imports.remove(name);
+    }
+
     /**
      * Removes the name of a class from the imports.
      * @param clazz the class whose name should be removed
@@ -348,7 +353,7 @@ public class ImportSet
         });
         List<List<String>> result = Lists.newArrayList();
         List<String> current = null;
-        int lastGroup = -1;
+        int lastGroup = -2;
         for (String imp : list) {
             int group = findImportGroup(imp, groups);
             if (group != lastGroup) {