diff --git a/src/js/contentscript-end.js b/src/js/contentscript-end.js
index 79c1cbc75..894dd605b 100644
--- a/src/js/contentscript-end.js
+++ b/src/js/contentscript-end.js
@@ -204,9 +204,6 @@ var uBlockCollapser = (function() {
                 return;
             }
         }
-        if ( src.lastIndexOf('http', 0) !== 0 ) {
-            return;
-        }
         var req = new PendingRequest(target, tagName, prop);
         newRequests.push(new BouncingRequest(req.id, tagName, src));
     };
diff --git a/src/js/messaging.js b/src/js/messaging.js
index 9f2ee3c4b..0f4b8555a 100644
--- a/src/js/messaging.js
+++ b/src/js/messaging.js
@@ -491,12 +491,6 @@ var filterRequests = function(pageStore, details) {
     while ( i-- ) {
         request = requests[i];
         context.requestURL = punycodeURL(request.url);
-        // https://github.com/gorhill/uBlock/issues/978
-        // Ignore invalid URLs: these would not occur on the HTTP
-        // observer side.
-        if ( (context.requestHostname = hostnameFromURI(request.url)) === '' ) {
-            continue;
-        }
         context.requestType = tagNameToRequestTypeMap[request.tagName];
         r = pageStore.filterRequest(context);
         if ( typeof r !== 'string' || r.charAt(1) !== 'b' ) {
diff --git a/src/js/scriptlets/element-picker.js b/src/js/scriptlets/element-picker.js
index b48c41e79..e53a7f711 100644
--- a/src/js/scriptlets/element-picker.js
+++ b/src/js/scriptlets/element-picker.js
@@ -344,13 +344,13 @@ var resourceURLFromElement = function(elem) {
     if ( (s = netFilter1stSources[tagName]) ) {
         s = elem[s];
         if ( typeof s === 'string' && s !== '' ) {
-            return s.slice(0, 2048);
+            return s.slice(0, 1024);
         }
     }
     if ( (s = netFilter2ndSources[tagName]) ) {
         s = elem[s];
         if ( typeof s === 'string' && s !== '' ) {
-            return s.slice(0, 2048);
+            return s.slice(0, 1024);
         }
     }
     return backgroundImageURLFromElement(elem);