@@ -17,11 +17,10 @@
 
 #import "OFDNSResourceRecord.h"
 #import "OFArray.h"
 #import "OFData.h"
 
-#import "OFInvalidArgumentException.h"
 #import "OFInvalidFormatException.h"
 
 OFString *
 OFDNSClassName(OFDNSClass DNSClass)
 {
@@ -77,16 +76,12 @@
 	string = string.uppercaseString;
 
 	if ([string isEqual: @"IN"])
 		DNSClass = OFDNSClassIN;
 	else {
-		@try {
-			DNSClass = (OFDNSClass)
-			    [string unsignedLongLongValueWithBase: 0];
-		} @catch (OFInvalidFormatException *e) {
-			@throw [OFInvalidArgumentException exception];
-		}
+		DNSClass =
+		    (OFDNSClass)[string unsignedLongLongValueWithBase: 0];
 	}
 
 	objc_autoreleasePoolPop(pool);
 
 	return DNSClass;
@@ -123,16 +118,12 @@
 	else if ([string isEqual: @"SRV"])
 		recordType = OFDNSRecordTypeSRV;
 	else if ([string isEqual: @"ALL"])
 		recordType = OFDNSRecordTypeAll;
 	else {
-		@try {
-			recordType = (OFDNSRecordType)
-			    [string unsignedLongLongValueWithBase: 0];
-		} @catch (OFInvalidFormatException *e) {
-			@throw [OFInvalidArgumentException exception];
-		}
+		recordType =
+		    (OFDNSRecordType)[string unsignedLongLongValueWithBase: 0];
 	}
 
 	objc_autoreleasePoolPop(pool);
 
 	return recordType;