diff --git a/src/js/static-net-filtering.js b/src/js/static-net-filtering.js
index fe9211cd7..0b10b9161 100644
--- a/src/js/static-net-filtering.js
+++ b/src/js/static-net-filtering.js
@@ -3562,7 +3562,6 @@ FilterContainer.prototype.benchmark = async function(action, target) {
         }
         if ( fctxt.type === 'main_frame' || fctxt.type === 'sub_frame' ) {
             this.matchAndFetchData(fctxt, 'csp');
-            matchCount += 1;
         }
     }
     const t1 = self.performance.now();