diff --git a/js/abp-filters.js b/js/abp-filters.js
index 92c6e1b4d..561248ec2 100644
--- a/js/abp-filters.js
+++ b/js/abp-filters.js
@@ -1373,9 +1373,6 @@ FilterContainer.prototype.match3rdPartyHostname = function(requestHostname) {
 
 FilterContainer.prototype.matchString = function(pageDetails, requestURL, requestType, requestHostname) {
     // adbProfiler.countUrl();
-    if ( this.frozen !== true ) {
-        return false;
-    }
 
     // https://github.com/gorhill/httpswitchboard/issues/239
     // Convert url to lower case:
diff --git a/js/abp-hide-filters.js b/js/abp-hide-filters.js
index 6a15042bb..dc5248a48 100644
--- a/js/abp-hide-filters.js
+++ b/js/abp-hide-filters.js
@@ -613,9 +613,6 @@ FilterContainer.prototype.addFilterEntry = function(filterDict, hash, f) {
 /******************************************************************************/
 
 FilterContainer.prototype.retrieveGenericSelectors = function(tabHostname, request) {
-    if ( this.frozen !== true ) {
-        return;
-    }
     if ( !tabHostname || µb.getCosmeticFilteringSwitch(tabHostname) !== true ) {
         return;
     }
@@ -674,9 +671,6 @@ FilterContainer.prototype.retrieveGenericSelectors = function(tabHostname, reque
 /******************************************************************************/
 
 FilterContainer.prototype.retrieveDomainSelectors = function(tabHostname, request) {
-    if ( this.frozen !== true ) {
-        return;
-    }
     if ( !tabHostname || µb.getCosmeticFilteringSwitch(tabHostname) !== true ) {
         return;
     }