diff --git a/pandatool/src/vrml/parse_vrml.cxx b/pandatool/src/vrml/parse_vrml.cxx
index 5681181db9..888fa4073e 100644
--- a/pandatool/src/vrml/parse_vrml.cxx
+++ b/pandatool/src/vrml/parse_vrml.cxx
@@ -38,7 +38,6 @@ extern int vrmlyyparse();
 extern void vrmlyyResetLineNumber();
 extern int vrmlyydebug;
 extern int vrmlyy_flex_debug;
-extern FILE *vrmlyyin;
 
 extern VrmlScene *parsed_scene;
 
diff --git a/pandatool/src/vrml/vrmlNodeType.cxx b/pandatool/src/vrml/vrmlNodeType.cxx
index e1b552b783..f72ebcc60d 100644
--- a/pandatool/src/vrml/vrmlNodeType.cxx
+++ b/pandatool/src/vrml/vrmlNodeType.cxx
@@ -18,6 +18,9 @@
 #include "notify.h"
 #include "indent.h"
 
+#include <stdio.h>  // for sprintf()
+
+
 //
 // Static list of node types.
 //
diff --git a/pandatool/src/vrml/vrmlParser.yxx b/pandatool/src/vrml/vrmlParser.yxx
index e1e1fa2573..f4df36a1fb 100644
--- a/pandatool/src/vrml/vrmlParser.yxx
+++ b/pandatool/src/vrml/vrmlParser.yxx
@@ -45,7 +45,9 @@
 #include "vrmlNode.h"
 #include "notify.h"
 #include "plist.h"
+
 #include <stack>
+#include <stdio.h>  // for sprintf()
 
 //#define YYDEBUG 1