diff --git a/direct/src/p3d/panda3d.pdef b/direct/src/p3d/panda3d.pdef
index bdd7bd69ba..e1a5890e1b 100755
--- a/direct/src/p3d/panda3d.pdef
+++ b/direct/src/p3d/panda3d.pdef
@@ -60,6 +60,13 @@ class panda3d(package):
            'direct.showutil.*',
            'direct.stdpy.*')
 
+    # Exclude these Panda3D libs; they are big and many applications don't
+    # use them.  We define them as separate, optional packages, below,
+    # except for skel - this is useless in a shipped game anyways.
+    excludeModule('libpandaegg')
+    excludeModule('libpandaode')
+    excludeModule('libpandaskel')
+
     # Exclude these GUI toolkits; they're big, and many applications don't
     # use them.  We define them as separate, optional packages, below.
     excludeModule('wx',