@@ -22,11 +22,10 @@
 OF_ASSUME_NONNULL_BEGIN
 
 /*! @file */
 
 @class OFUDPSocket;
-@class OFException;
 
 /*!
  * @struct of_udp_socket_address_t OFUDPSocket.h ObjFW/OFUDPSocket.h
  *
  * @brief A struct which represents a host / port pair for a UDP socket.
@@ -46,12 +45,11 @@
  * @param address The address of the resolved host / port pair
  * @param exception An exception which occurred while resolving or `nil` on
  *		    success
  */
 typedef void (^of_udp_socket_async_resolve_block_t)(OFString *host,
-    uint16_t port, of_udp_socket_address_t address,
-    OFException *_Nullable exception);
+    uint16_t port, of_udp_socket_address_t address, id _Nullable exception);
 
 /*!
  * @brief A block which is called when a packet has been received.
  *
  * @param socket The UDP which received a packet
@@ -62,11 +60,11 @@
  *		    success
  * @return A bool whether the same block should be used for the next receive
  */
 typedef bool (^of_udp_socket_async_receive_block_t)(OFUDPSocket *socket,
     void *buffer, size_t length, of_udp_socket_address_t sender,
-    OFException *_Nullable exception);
+    id _Nullable exception);
 #endif
 
 /*!
  * @class OFUDPSocket OFUDPSocket.h ObjFW/OFUDPSocket.h
  *
@@ -125,12 +123,11 @@
  * @param port The port for the resulting address
  * @param target The target on which to call the selector once the host has been
  *		 resolved
  * @param selector The selector to call on the target. The signature must be
  *		   `void (OFString *host, uint16_t port,
- *		   of_udp_socket_address_t address, id context,
- *		   OFException *exception)`.
+ *		   of_udp_socket_address_t address, id context, id exception)`.
  */
 + (void)asyncResolveAddressForHost: (OFString *)host
 			      port: (uint16_t)port
 			    target: (id)target
 			  selector: (SEL)selector
@@ -205,12 +202,11 @@
  *		 when more datagrams have been received. If you want the next
  *		 method in the queue to handle the datagram received next, you
  *		 need to return false from the method.
  * @param selector The selector to call on the target. The signature must be
  *		   `bool (OFUDPSocket *socket, void *buffer, size_t length,
- *		   of_udp_socket_address_t, id context,
- *		   OFException *exception)`.
+ *		   of_udp_socket_address_t, id context, id exception)`.
  */
 - (void)asyncReceiveIntoBuffer: (void *)buffer
 			length: (size_t)length
 			target: (id)target
 		      selector: (SEL)selector