Index: src/OFDictionary.m
==================================================================
--- src/OFDictionary.m
+++ src/OFDictionary.m
@@ -32,12 +32,10 @@
 
 static struct {
 	Class isa;
 } placeholder;
 
-static OFCharacterSet *IRIQueryPartAllowedCharacterSet = nil;
-
 @interface OFDictionary ()
 - (OFString *)
     of_JSONRepresentationWithOptions: (OFJSONRepresentationOptions)options
 			       depth: (size_t)depth;
 @end
@@ -53,15 +51,10 @@
 }
 
 - (instancetype)initWithDictionary: (OFDictionary *)dictionary;
 @end
 
-OF_DIRECT_MEMBERS
-@interface OFIRIQueryPartAllowedCharacterSet: OFCharacterSet
-+ (OFCharacterSet *)IRIQueryPartAllowedCharacterSet;
-@end
-
 @implementation OFDictionaryPlaceholder
 - (instancetype)init
 {
 	return (id)[[OFMapTableDictionary alloc] init];
 }
@@ -135,70 +128,10 @@
 
 - (void)dealloc
 {
 	OF_DEALLOC_UNSUPPORTED
 }
-@end
-
-@implementation OFIRIQueryPartAllowedCharacterSet
-+ (void)initialize
-{
-	if (self != [OFIRIQueryPartAllowedCharacterSet class])
-		return;
-
-	IRIQueryPartAllowedCharacterSet =
-	    [[OFIRIQueryPartAllowedCharacterSet alloc] init];
-}
-
-+ (OFCharacterSet *)IRIQueryPartAllowedCharacterSet
-{
-	return IRIQueryPartAllowedCharacterSet;
-}
-
-- (instancetype)autorelease
-{
-	return self;
-}
-
-- (instancetype)retain
-{
-	return self;
-}
-
-- (void)release
-{
-}
-
-- (unsigned int)retainCount
-{
-	return OFMaxRetainCount;
-}
-
-- (bool)characterIsMember: (OFUnichar)character
-{
-	if (character < CHAR_MAX && OFASCIIIsAlnum(character))
-		return true;
-
-	switch (character) {
-	case '-':
-	case '.':
-	case '_':
-	case '~':
-	case '!':
-	case '$':
-	case '\'':
-	case '(':
-	case ')':
-	case '*':
-	case '+':
-	case ',':
-	case ';':
-		return true;
-	default:
-		return false;
-	}
-}
 @end
 
 @implementation OFDictionary
 + (void)initialize
 {