@@ -36,11 +36,10 @@
 #import "OFDataArray.h"
 #import "OFRunLoop.h"
 
 #import "OFInvalidArgumentException.h"
 #import "OFInvalidFormatException.h"
-#import "OFNotImplementedException.h"
 #import "OFSetOptionFailedException.h"
 
 #import "macros.h"
 #import "of_asprintf.h"
 
@@ -54,14 +53,17 @@
 #endif
 
 - init
 {
 	if (object_getClass(self) == [OFStream class]) {
-		Class c = [self class];
-		[self release];
-		@throw [OFNotImplementedException exceptionWithClass: c
-							    selector: _cmd];
+		@try {
+			[self doesNotRecognizeSelector: _cmd];
+			abort();
+		} @catch (id e) {
+			[self release];
+			@throw e;
+		}
 	}
 
 	self = [super init];
 
 	cache = NULL;
@@ -71,26 +73,26 @@
 	return self;
 }
 
 - (BOOL)lowlevelIsAtEndOfStream
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - (size_t)lowlevelReadIntoBuffer: (void*)buffer
 			  length: (size_t)length
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - (void)lowlevelWriteBuffer: (const void*)buffer
 		     length: (size_t)length
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - copy
 {
 	return [self retain];
@@ -1481,38 +1483,38 @@
 	    fcntl([self fileDescriptorForWriting], F_SETFL, writeFlags) == -1)
 		@throw [OFSetOptionFailedException
 		    exceptionWithClass: [self class]
 				stream: self];
 #else
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 #endif
 }
 
 - (int)fileDescriptorForReading
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - (int)fileDescriptorForWriting
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - (void)cancelAsyncRequests
 {
 	[OFRunLoop OF_cancelAsyncRequestsForStream: self];
 }
 
 - (void)close
 {
-	@throw [OFNotImplementedException exceptionWithClass: [self class]
-						    selector: _cmd];
+	[self doesNotRecognizeSelector: _cmd];
+	abort();
 }
 
 - (BOOL)OF_isWaitingForDelimiter
 {
 	return waitingForDelimiter;
 }
 @end