diff --git a/src/exchange/taler-exchange-aggregator.c b/src/exchange/taler-exchange-aggregator.c
index a8448edb9..631599c41 100644
--- a/src/exchange/taler-exchange-aggregator.c
+++ b/src/exchange/taler-exchange-aggregator.c
@@ -94,11 +94,6 @@ struct AggregationUnit
    */
   struct TALER_EXCHANGEDB_Session *session;
 
-  /**
-   * Wire preparation handle.
-   */
-  struct TALER_BANK_PrepareHandle *ph;
-
   /**
    * Array of row_ids from the aggregation.
    */