diff --git a/bin/mbcheck b/bin/mbcheck
index 935ee40..a987264 100755
--- a/bin/mbcheck
+++ b/bin/mbcheck
@@ -6,9 +6,7 @@ var options = argv = require('optimist').argv,
     utils = require('..').utils,
     MBTiles = require('..').MBTiles,
     mbtiles,
-    tables = [],
-    zooms = [],
-    tiles = [];
+    zooms = [];
 
 // Show help.
 if (argv.help || argv._.length === 0) {
@@ -158,5 +156,4 @@ Step(
             }.bind(this)
         );
     }
-);
-
+);
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