Index: ps/trunk/source/lib/allocators/unique_range.cpp
===================================================================
--- ps/trunk/source/lib/allocators/unique_range.cpp
+++ ps/trunk/source/lib/allocators/unique_range.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015 Wildfire Games
+/* Copyright (c) 2017 Wildfire Games
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -88,7 +88,7 @@
 	if(idxDeleterAligned == 0)	// (optional optimization)
 		RegisterUniqueRangeDeleter(FreeAligned, &idxDeleterAligned);
 
-	return std::move(UniqueRange(p, size, idxDeleterAligned));
+	return UniqueRange(p, size, idxDeleterAligned);
 }
 
 
@@ -100,5 +100,5 @@
 	if(idxDeleter == 0)	// (optional optimization)
 		RegisterUniqueRangeDeleter(vm::Free, &idxDeleter);
 
-	return std::move(UniqueRange(p, size, idxDeleter));
+	return UniqueRange(p, size, idxDeleter);
 }
Index: ps/trunk/source/lib/file/archive/archive_zip.cpp
===================================================================
--- ps/trunk/source/lib/file/archive/archive_zip.cpp
+++ ps/trunk/source/lib/file/archive/archive_zip.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015 Wildfire Games
+/* Copyright (c) 2017 Wildfire Games
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -448,7 +448,7 @@
 		size_t cd_numEntries = 0;
 		size_t cd_size = 0;
 		RETURN_STATUS_IF_ERR(LocateCentralDirectory(m_file, m_fileSize, cd_ofs, cd_numEntries, cd_size));
-		UniqueRange buf(std::move(io::Allocate(cd_size)));
+		UniqueRange buf(io::Allocate(cd_size));
 
 		io::Operation op(*m_file.get(), buf.get(), cd_size, cd_ofs);
 		RETURN_STATUS_IF_ERR(io::Run(op));
@@ -533,7 +533,7 @@
 	static Status LocateCentralDirectory(const PFile& file, off_t fileSize, off_t& cd_ofs, size_t& cd_numEntries, size_t& cd_size)
 	{
 		const size_t maxScanSize = 66000u;	// see below
-		UniqueRange buf(std::move(io::Allocate(maxScanSize)));
+		UniqueRange buf(io::Allocate(maxScanSize));
 
 		// expected case: ECDR at EOF; no file comment
 		Status ret = ScanForEcdr(file, fileSize, (u8*)buf.get(), sizeof(ECDR), cd_numEntries, cd_ofs, cd_size);
@@ -662,7 +662,7 @@
 
 		// allocate memory
 		const size_t csizeMax = codec->MaxOutputSize(size_t(usize));
-		UniqueRange buf(std::move(io::Allocate(sizeof(LFH) + pathnameLength + csizeMax)));
+		UniqueRange buf(io::Allocate(sizeof(LFH) + pathnameLength + csizeMax));
 
 		// read and compress file contents
 		size_t csize; u32 checksum;
Index: ps/trunk/source/lib/file/io/io.h
===================================================================
--- ps/trunk/source/lib/file/io/io.h
+++ ps/trunk/source/lib/file/io/io.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011 Wildfire Games
+/* Copyright (c) 2017 Wildfire Games
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -54,7 +54,7 @@
 // never reused (avoids displacing other items).
 static inline UniqueRange Allocate(size_t size, size_t alignment = maxSectorSize)
 {
-	return std::move(AllocateAligned(size, alignment));
+	return AllocateAligned(size, alignment);
 }
 
 
@@ -190,7 +190,7 @@
 
 		const bool temporaryBuffersRequested = (op.buf == 0);
 		if(temporaryBuffersRequested)
-			buffers = std::move(io::Allocate(blockSize * p.queueDepth, p.alignment));
+			buffers = io::Allocate(blockSize * p.queueDepth, p.alignment);
 
 		for(size_t i = 0; i < ARRAY_SIZE(controlBlocks); i++)
 		{
Index: ps/trunk/source/simulation2/system/ComponentManager.cpp
===================================================================
--- ps/trunk/source/simulation2/system/ComponentManager.cpp
+++ ps/trunk/source/simulation2/system/ComponentManager.cpp
@@ -546,7 +546,7 @@
 void CComponentManager::RegisterComponentType(InterfaceId iid, ComponentTypeId cid, AllocFunc alloc, DeallocFunc dealloc,
 		const char* name, const std::string& schema)
 {
-	ComponentType c(CT_Native, iid, alloc, dealloc, name, schema, std::move(DefPersistentRooted<JS::Value>()));
+	ComponentType c(CT_Native, iid, alloc, dealloc, name, schema, DefPersistentRooted<JS::Value>());
 	m_ComponentTypesById.insert(std::make_pair(cid, std::move(c)));
 	m_ComponentTypeIdsByName[name] = cid;
 }
@@ -554,7 +554,7 @@
 void CComponentManager::RegisterComponentTypeScriptWrapper(InterfaceId iid, ComponentTypeId cid, AllocFunc alloc,
 		DeallocFunc dealloc, const char* name, const std::string& schema)
 {
-	ComponentType c(CT_ScriptWrapper, iid, alloc, dealloc, name, schema, std::move(DefPersistentRooted<JS::Value>()));
+	ComponentType c(CT_ScriptWrapper, iid, alloc, dealloc, name, schema, DefPersistentRooted<JS::Value>());
 	m_ComponentTypesById.insert(std::make_pair(cid, std::move(c)));
 	m_ComponentTypeIdsByName[name] = cid;
 	// TODO: merge with RegisterComponentType