diff --git a/platform/chromium/vapi-background.js b/platform/chromium/vapi-background.js
index 03b19f137..2f47248bb 100644
--- a/platform/chromium/vapi-background.js
+++ b/platform/chromium/vapi-background.js
@@ -1027,11 +1027,9 @@ vAPI.messaging = {
                 details.code = cssText;
                 promises.push(vAPI.tabs.insertCSS(tabId, details));
             }
-            if ( typeof webext.tabs.removeCSS === 'function' ) {
-                for ( const cssText of msg.remove ) {
-                    details.code = cssText;
-                    promises.push(vAPI.tabs.removeCSS(tabId, details));
-                }
+            for ( const cssText of msg.remove ) {
+                details.code = cssText;
+                promises.push(vAPI.tabs.removeCSS(tabId, details));
             }
             Promise.all(promises).then(( ) => {
                 callback();
diff --git a/platform/chromium/webext.js b/platform/chromium/webext.js
index fb391c0ec..db7e7d4f9 100644
--- a/platform/chromium/webext.js
+++ b/platform/chromium/webext.js
@@ -93,6 +93,7 @@ const webext = {
         get: promisifyNoFail(chrome.tabs, 'get', tab => tab instanceof Object ? tab : null),
         executeScript: promisifyNoFail(chrome.tabs, 'executeScript'),
         insertCSS: promisifyNoFail(chrome.tabs, 'insertCSS'),
+        removeCSS: promisifyNoFail(chrome.tabs, 'removeCSS'),
         query: promisifyNoFail(chrome.tabs, 'query', tabs => Array.isArray(tabs) ? tabs : []),
         reload: promisifyNoFail(chrome.tabs, 'reload'),
         remove: promisifyNoFail(chrome.tabs, 'remove'),