@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
  *
  * All rights reserved.
  *
  * This file is part of ObjFW. It may be distributed under the terms of the
  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
@@ -37,11 +37,11 @@
 }
 
 /**
  * @brief The condition which could not be signaled.
  */
-@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFCondition *condition;
+@property (readonly, nonatomic) OFCondition *condition;
 
 /**
  * @brief The errno of the error that occurred.
  */
 @property (readonly, nonatomic) int errNo;
@@ -51,22 +51,24 @@
  *
  * @param condition The condition which could not be signaled
  * @param errNo The errno of the error that occurred
  * @return A new, autoreleased condition signal failed exception
  */
-+ (instancetype)exceptionWithCondition: (nullable OFCondition *)condition
++ (instancetype)exceptionWithCondition: (OFCondition *)condition
 				 errNo: (int)errNo;
+
++ (instancetype)exception OF_UNAVAILABLE;
 
 /**
  * @brief Initializes an already allocated condition signal failed exception.
  *
  * @param condition The condition which could not be signaled
  * @param errNo The errno of the error that occurred
  * @return An initialized condition signal failed exception
  */
-- (instancetype)initWithCondition: (nullable OFCondition *)condition
+- (instancetype)initWithCondition: (OFCondition *)condition
 			    errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 
 - (instancetype)init OF_UNAVAILABLE;
 @end
 
 OF_ASSUME_NONNULL_END