diff --git a/doc/doxygen/taler.doxy b/doc/doxygen/taler.doxy
index d3647513d..0afe3b1da 100644
--- a/doc/doxygen/taler.doxy
+++ b/doc/doxygen/taler.doxy
@@ -177,7 +177,6 @@ VERBATIM_HEADERS       = YES
 # configuration options related to the alphabetical class index
 #---------------------------------------------------------------------------
 ALPHABETICAL_INDEX     = YES
-COLS_IN_ALPHA_INDEX    = 3
 IGNORE_PREFIX          = TALER_
 #---------------------------------------------------------------------------
 # configuration options related to the HTML output
diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h
index 5789e23dd..df0a69383 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -1847,9 +1847,6 @@ struct TALER_EXCHANGE_RecoupHandle;
  *
  * @param cls closure
  * @param hr HTTP response data
- * @param amount amount the exchange will wire back for this coin,
- *        on error the total balance remaining, or NULL
- * @param timestamp what time did the exchange receive the /recoup request
  * @param reserve_pub public key of the reserve receiving the recoup, NULL if refreshed or on error
  * @param old_coin_pub public key of the dirty coin, NULL if not refreshed or on error
  */
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 177177938..686edb867 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1625,7 +1625,6 @@ struct TALER_EXCHANGEDB_RefreshRevealedCoin
  * Function called with information about a refresh order.
  *
  * @param cls closure
- * @param rowid unique serial ID for the row in our database
  * @param num_freshcoins size of the @a rrcs array
  * @param rrcs array of @a num_freshcoins information about coins to be created
  * @param num_tprivs number of entries in @a tprivs, should be #TALER_CNC_KAPPA - 1
@@ -1976,7 +1975,7 @@ typedef enum GNUNET_DB_QueryStatus
  * @param coin information about the coin
  * @param coin_sig signature of the coin of type #TALER_SIGNATURE_WALLET_COIN_RECOUP
  * @param coin_blind blinding key of the coin
- * @param h_blind_ev blinded envelope, as calculated by the exchange
+ * @param h_blinded_ev blinded envelope, as calculated by the exchange
  * @param amount total amount to be paid back
  */
 typedef void