diff --git a/indra/newview/llfloaterabout.cpp b/indra/newview/llfloaterabout.cpp
index 171858e47214644ef05df482a32a2fe1df0fd157..0b2b4e1d37623ea2a3a48b2532b9871ef667a610 100644
--- a/indra/newview/llfloaterabout.cpp
+++ b/indra/newview/llfloaterabout.cpp
@@ -105,7 +105,7 @@ class LLFloaterAbout
     static const std::string sCheckUpdateListenerName;
 	
     static void startFetchServerReleaseNotes();
-    static void fetchServerReleaseNotesCoro(const std::string& cap_url);
+    static void fetchServerReleaseNotesCoro(const std::string cap_url);
     static void handleServerReleaseNotes(LLSD results);
 };
 
@@ -227,7 +227,7 @@ void LLFloaterAbout::startFetchServerReleaseNotes()
 }
 
 /*static*/
-void LLFloaterAbout::fetchServerReleaseNotesCoro(const std::string& cap_url)
+void LLFloaterAbout::fetchServerReleaseNotesCoro(const std::string cap_url)
 {
     LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
         httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("fetchServerReleaseNotesCoro", LLCore::HttpRequest::DEFAULT_POLICY_ID));
diff --git a/indra/newview/llviewerdisplayname.cpp b/indra/newview/llviewerdisplayname.cpp
index d444d4762427edb157b2069c7fa6703e44ce2117..a27f7c65b8083d264584547cb836f75de16d501f 100644
--- a/indra/newview/llviewerdisplayname.cpp
+++ b/indra/newview/llviewerdisplayname.cpp
@@ -98,7 +98,7 @@ void LLViewerDisplayName::set(const std::string& display_name, const set_name_sl
             boost::bind(&LLViewerDisplayName::setDisplayNameCoro, cap_url, body));
 }
 
-void LLViewerDisplayName::setDisplayNameCoro(const std::string& cap_url, const LLSD& body)
+void LLViewerDisplayName::setDisplayNameCoro(const std::string cap_url, const LLSD body)
 {
     LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
     LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
diff --git a/indra/newview/llviewerdisplayname.h b/indra/newview/llviewerdisplayname.h
index 337aaa68b6056d5e664f75aaeef5527bc236d2dc..7668cd12ef671e40980be8bf364c32ca32777e3e 100644
--- a/indra/newview/llviewerdisplayname.h
+++ b/indra/newview/llviewerdisplayname.h
@@ -47,7 +47,7 @@ namespace LLViewerDisplayName
 	// unavailable or name not available.
 	void set(const std::string& display_name, const set_name_slot_t& slot);
 
-    void setDisplayNameCoro(const std::string& cap_url, const LLSD& body);
+    void setDisplayNameCoro(const std::string cap_url, const LLSD body);
 
 	void addNameChangedCallback(const name_changed_signal_t::slot_type& cb);
 }
diff --git a/indra/newview/rlvhandler.cpp b/indra/newview/rlvhandler.cpp
index a4eaf4a0c2381288c6953a1c3e1efecfbe5950c7..dc7f31e451bd16650b84ebcaca4c3d4ce452ebcf 100644
--- a/indra/newview/rlvhandler.cpp
+++ b/indra/newview/rlvhandler.cpp
@@ -302,7 +302,7 @@ void RlvHandler::removeBlockedObject(const LLUUID& idObj)
 		}), m_BlockedObjects.end());
 }
 
-void RlvHandler::getAttachmentResourcesCoro(const std::string& strUrl)
+void RlvHandler::getAttachmentResourcesCoro(const std::string strUrl)
 {
 	LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
 	LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("RlvHandler::getAttachmentResourcesCoro", httpPolicy));
diff --git a/indra/newview/rlvhandler.h b/indra/newview/rlvhandler.h
index 85acec1bcebc757a72b30b8a5892e23bafa4f999..eba2c328830a131c34af0d273ff89e4a7c04cbbf 100644
--- a/indra/newview/rlvhandler.h
+++ b/indra/newview/rlvhandler.h
@@ -185,7 +185,7 @@ class RlvHandler : public LLOldEvents::LLSimpleListener, public LLParticularGrou
 	void onTeleportFinished(const LLVector3d& posArrival);
 	static void onIdleStartup(void* pParam);
 protected:
-	void getAttachmentResourcesCoro(const std::string& strUrl);
+	void getAttachmentResourcesCoro(const std::string strUrl);
 	void onTeleportCallback(U64 hRegion, const LLVector3& posRegion, const LLVector3& vecLookAt, const LLUUID& idRlvObj);
 
 	/*