diff --git a/panda/src/pgraph/pandaNode.h b/panda/src/pgraph/pandaNode.h
index 90625c2646..36819d7624 100644
--- a/panda/src/pgraph/pandaNode.h
+++ b/panda/src/pgraph/pandaNode.h
@@ -51,7 +51,6 @@
 
 #ifdef HAVE_PYTHON
 
-#undef HAVE_LONG_LONG  // NSPR and Python both define this.
 #undef _POSIX_C_SOURCE
 #include <Python.h>