Index: ext/rtree/rtree.c
==================================================================
--- ext/rtree/rtree.c
+++ ext/rtree/rtree.c
@@ -3547,10 +3547,11 @@
   }
   return rc;
 }
 
 
+#if defined(SQLITE_TEST)
 /*
 ** Implementation of a scalar function that decodes r-tree nodes to
 ** human readable strings. This can be used for debugging and analysis.
 **
 ** The scalar function takes two arguments: (1) the number of dimensions
@@ -3608,10 +3609,11 @@
     }
   }
   
   sqlite3_result_text(ctx, zText, -1, sqlite3_free);
 }
+#endif
 
 /* This routine implements an SQL function that returns the "depth" parameter
 ** from the front of a blob that is an r-tree node.  For example:
 **
 **     SELECT rtreedepth(data) FROM rt_node WHERE nodeno=1;
@@ -3637,13 +3639,15 @@
 ** virtual table module "rtree" and the debugging/analysis scalar 
 ** function "rtreenode".
 */
 int sqlite3RtreeInit(sqlite3 *db){
   const int utf8 = SQLITE_UTF8;
-  int rc;
+  int rc = SQLITE_OK;
 
+#if defined(SQLITE_TEST)
   rc = sqlite3_create_function(db, "rtreenode", 2, utf8, 0, rtreenode, 0, 0);
+#endif
   if( rc==SQLITE_OK ){
     rc = sqlite3_create_function(db, "rtreedepth", 1, utf8, 0,rtreedepth, 0, 0);
   }
   if( rc==SQLITE_OK ){
 #ifdef SQLITE_RTREE_INT_ONLY