diff --git a/platform/common/vapi-background.js b/platform/common/vapi-background.js
index 6bbfd075d..cdfebfefd 100644
--- a/platform/common/vapi-background.js
+++ b/platform/common/vapi-background.js
@@ -288,6 +288,9 @@ vAPI.Tabs = class {
             });
         }
         browser.tabs.onRemoved.addListener((tabId, details) => {
+            if ( vAPI.net ) {
+                vAPI.net.removeUnprocessedRequest(tabId);
+            }
             this.onRemovedHandler(tabId, details);
         });
      }