diff --git a/lib/millstone.js b/lib/millstone.js
index <HASH>..<HASH> 100644
--- a/lib/millstone.js
+++ b/lib/millstone.js
@@ -385,9 +385,6 @@ function resolve(options, callback) {
                 try {
                     l.srs = l.srs || srs.parse(data).proj4;
                 } catch (e) {}
-                try {
-                    l.srs = l.srs || srs.parse('ESRI::' + data).proj4;
-                } catch (e) {}
 
                 next(l.srs ? null : new Error('No projection found for layer "' + name + '" at ' + base));
             });
ESRI adding has been moved into node-srs