Index: src/OFThread.h
==================================================================
--- src/OFThread.h
+++ src/OFThread.h
@@ -72,11 +72,11 @@
 
 /**
  * \param obj An object that is passed to the main method as a copy or nil
  * \return A new autoreleased thread
  */
-+ threadWithObject: (OFObject <OFCopying>*)obj;
++ threadWithObject: (id)obj;
 
 /**
  * Sets the Thread Local Storage for the specified key.
  *
  * The specified object is first retained and then the object stored before is
@@ -126,11 +126,11 @@
 
 /**
  * \param obj An object that is passed to the main method as a copy or nil
  * \return An initialized OFThread.
  */
-- initWithObject: (OFObject <OFCopying>*)obj;
+- initWithObject: (id)obj;
 
 /**
  * The main routine of the thread. You need to reimplement this!
  *
  * It can access the object passed to the threadWithObject or initWithObject

Index: src/OFThread.m
==================================================================
--- src/OFThread.m
+++ src/OFThread.m
@@ -61,11 +61,11 @@
 
 	if (!of_tlskey_new(&thread_self))
 		@throw [OFInitializationFailedException newWithClass: self];
 }
 
-+ threadWithObject: (OFObject <OFCopying>*)obj
++ threadWithObject: (id)obj
 {
 	return [[[self alloc] initWithObject: obj] autorelease];
 }
 
 + setObject: (OFObject*)obj
@@ -139,11 +139,11 @@
 {
 	@throw [OFNotImplementedException newWithClass: isa
 					      selector: _cmd];
 }
 
-- initWithObject: (OFObject <OFCopying>*)obj
+- initWithObject: (id)obj
 {
 	self = [super init];
 
 	object = [obj retain];