diff --git a/rbf/cursor_test.go b/rbf/cursor_test.go
index 4f7464bd1..940798c04 100644
--- a/rbf/cursor_test.go
+++ b/rbf/cursor_test.go
@@ -973,8 +973,8 @@ func TestCursor_SplitBranchCells(t *testing.T) {
 	}
 	//
 	c, _ := tx.Cursor("x") //added just for dot code coverage
-	c.Dump("ignore for coverage")
-
+	c.Dump("test.dump")
+	os.Remove("test.dump")
 }
 
 func TestCursor_RemoveCells(t *testing.T) {
diff --git a/rbf/db.go b/rbf/db.go
index 3db8889ca..21596d144 100644
--- a/rbf/db.go
+++ b/rbf/db.go
@@ -695,8 +695,6 @@ func (db *DB) afterCurrentTx(callback func()) {
 // it retained by an asynchronous op that wants to happen before we start
 // running new tx.
 func (db *DB) removeTx(tx *Tx) error {
-	db.mu.Lock()
-	defer db.mu.Unlock()
 	// We might want to trigger a checkpoint. Only for writable
 	// transactions, and only when either there's nothing else open or we
 	// really need to.