diff --git a/middleware/search.js b/middleware/search.js
deleted file mode 100644
index e5bdfa29..00000000
--- a/middleware/search.js
+++ /dev/null
@@ -1,65 +0,0 @@
-// function deg2rad(degrees) {
-// 	return Math.PI*degrees/180;
-// }
-
-// function rad2deg(radians) {
-// 	return 180.0*radians/Math.PI;
-// }
-
-// // Semi-axes of WGS-84 geoidal reference
-// var WGS84_a = 6378137.0;  // Major semiaxis [m]
-// var WGS84_b = 6356752.3;  // Minor semiaxis [m]
-
-// // Earth radius at a given latitude, according to the WGS-84 ellipsoid [m]
-// function WGS84EarthRadius(lat){
-// 	// http://en.wikipedia.org/wiki/Earth_radius
-//     var An = WGS84_a*WGS84_a * Math.cos(lat);
-//     var Bn = WGS84_b*WGS84_b * Math.sin(lat);
-//     var Ad = WGS84_a * Math.cos(lat);
-//     var Bd = WGS84_b * Math.sin(lat);
-//     return Math.sqrt( (An*An + Bn*Bn)/(Ad*Ad + Bd*Bd) );
-// }
-    
-// // Bounding box surrounding the point at given coordinates,
-// // assuming local approximation of Earth surface as a sphere
-// // of radius given by WGS84
-// function boundingBox(latitudeInDegrees, longitudeInDegrees, halfSideInKm) {
-// 	var lat = deg2rad(latitudeInDegrees);
-//     var lon = deg2rad(longitudeInDegrees);
-//     var halfSide = 1000*halfSideInKm;
-
-//     // Radius of Earth at given latitude
-//     var radius = WGS84EarthRadius(lat);
-//     // Radius of the parallel at given latitude
-//     var pradius = radius*Math.cos(lat);
-
-//     var latMin = lat - halfSide/radius;
-//     var latMax = lat + halfSide/radius;
-//     var lonMin = lon - halfSide/pradius;
-//     var lonMax = lon + halfSide/pradius;
-
-//     return {
-//     	'bottom_left': {
-//     		'lat': rad2deg(latMin), 
-//     		'lon': rad2deg(lonMin)
-//     	},
-//     	'top_right': {
-//     		'lat': rad2deg(latMax), 
-//     		'lon': rad2deg(lonMax)	
-//     	} 
-//     };
-// }
-    
-
-
-// // middleware
-// function middleware(req, res, next){
-//   req.clean = req.clean || {};
-//   // ideally, bbox should be part of the req (and not to be calculated)
-//   // TBD
-//   req.clean.bbox = boundingBox(req.query.lat, req.query.lon, 20);
-//   next();
-// }
-
-// // middleware
-// module.exports.middleware = middleware
\ No newline at end of file