diff --git a/src/exchangedb/exchange_do_deposit.sql b/src/exchangedb/exchange_do_deposit.sql
index a2f5ba53a..53fcfb1bc 100644
--- a/src/exchangedb/exchange_do_deposit.sql
+++ b/src/exchangedb/exchange_do_deposit.sql
@@ -123,6 +123,7 @@ THEN
     -- Deposit exists, but with differences. Not allowed.
     out_balance_ok=FALSE;
     out_conflict=TRUE;
+    -- FIXME: out_exchange_timestamp not set on this path?
     RETURN;
   END IF;
 
diff --git a/src/exchangedb/pg_do_deposit.c b/src/exchangedb/pg_do_deposit.c
index 771c50af3..f3d0856ac 100644
--- a/src/exchangedb/pg_do_deposit.c
+++ b/src/exchangedb/pg_do_deposit.c
@@ -25,6 +25,8 @@
 #include "pg_do_deposit.h"
 #include "pg_helper.h"
 #include "pg_compute_shard.h"
+
+
 enum GNUNET_DB_QueryStatus
 TEH_PG_do_deposit (
   void *cls,
@@ -69,8 +71,6 @@ TEH_PG_do_deposit (
     GNUNET_PQ_result_spec_end
   };
 
-  /* Used in #postgres_do_deposit() to execute a deposit,
-     checking the coin's balance in the process as needed. */
   PREPARE (pg,
            "call_deposit",
            "SELECT "