--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -7406,16 +7406,35 @@ var gIdentityHandler = {
           }
         }
         let mm = gBrowser.selectedBrowser.messageManager;
         mm.sendAsyncMessage("webrtc:StopSharing", windowId);
       }
       SitePermissions.remove(gBrowser.currentURI, aPermission.id);
       this._permissionJustRemoved = true;
       this.updatePermissionHint();
+
+      // Set telemetry values for clearing a permission
+      let histogram = Services.telemetry.getKeyedHistogramById("WEB_PERMISSION_CLEARED");
+
+      let permissionType = 0;
+      if (aPermission.state == SitePermissions.ALLOW) {
+        // 1 : clear permanently allowed permission
+        permissionType = 1;
+      } else if (aPermission.state == SitePermissions.BLOCK) {
+        // 2 : clear permanently blocked permission
+        permissionType = 2;
+      }
+      // 3 : TODO clear temporary allowed permission
+      // 4 : TODO clear temporary blocked permission
+
+      if (permissionType) {
+        histogram.add("(all)", permissionType);
+        histogram.add(aPermission.id, permissionType);
+      }
     });
 
     container.appendChild(img);
     container.appendChild(nameLabel);
     container.appendChild(stateLabel);
     container.appendChild(button);
 
     return container;

--- a/toolkit/components/telemetry/Histograms.json
+++ b/toolkit/components/telemetry/Histograms.json
@@ -10198,10 +10198,19 @@
     "cpp_guard": "ANDROID"
   },
   "NUMBER_OF_PROFILES": {
     "alert_emails": ["amarchesini@mozilla.com"],
     "expires_in_version": "58",
     "bug_numbers": [1296606],
     "kind": "count",
     "description": "Number of named profiles."
+  },
+  "WEB_PERMISSION_CLEARED": {
+    "alert_emails": ["firefox-dev@mozilla.org"],
+    "bug_numbers": [1286118],
+    "expires_in_version": "55",
+    "kind": "enumerated",
+    "keyed": true,
+    "n_values": 6,
+    "description": "Number of revoke actions on permissions in the control center, keyed by permission id. Values represent the permission type that was revoked. (0=unknown, 1=permanently allowed, 2=permanently blocked, 3=temporarily allowed, 4=temporarily blocked)"
   }
 }