From e0569ce30684703bcadfbeb4bd99c002f72d228d Mon Sep 17 00:00:00 2001
From: CertiK <138698582+CertiK-Geth@users.noreply.github.com>
Date: Tue, 30 Sep 2025 12:01:39 +0800
Subject: [PATCH] Fix eth/filters: Unsubscription Missing at `filter` Api With
 Subscription Error

Fix issue https://github.com/ethereum/go-ethereum/issues/32793
---
 eth/filters/api.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/eth/filters/api.go b/eth/filters/api.go
index d678c403894..334a19f0b5e 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -152,6 +152,7 @@ func (api *FilterAPI) NewPendingTransactionFilter(fullTx *bool) rpc.ID {
 				api.filtersMu.Lock()
 				delete(api.filters, pendingTxSub.ID)
 				api.filtersMu.Unlock()
+				pendingTxSub.Unsubscribe()
 				return
 			}
 		}