diff --git a/indra/newview/fsfloaterimcontainer.cpp b/indra/newview/fsfloaterimcontainer.cpp
index 5e76f55c14..fb64cb5aec 100644
--- a/indra/newview/fsfloaterimcontainer.cpp
+++ b/indra/newview/fsfloaterimcontainer.cpp
@@ -356,22 +356,6 @@ FSFloaterIMContainer* FSFloaterIMContainer::getInstance()
 	return LLFloaterReg::getTypedInstance<FSFloaterIMContainer>("fs_im_container");
 }
 
-void FSFloaterIMContainer::setMinimized(BOOL b)
-{
-	if (isMinimized() == b) return;
-	
-	LLMultiFloater::setMinimized(b);
-	// Hide minimized floater (see EXT-5315)
-	setVisible(!b);
-
-	if (isMinimized()) return;
-
-	if (getActiveFloater())
-	{
-		getActiveFloater()->setVisible(TRUE);
-	}
-}
-
 void FSFloaterIMContainer::setVisible(BOOL b)
 {
 	LLMultiFloater::setVisible(b);
diff --git a/indra/newview/fsfloaterimcontainer.h b/indra/newview/fsfloaterimcontainer.h
index 655d9c082b..f2f2c33627 100644
--- a/indra/newview/fsfloaterimcontainer.h
+++ b/indra/newview/fsfloaterimcontainer.h
@@ -64,7 +64,6 @@ public:
 	static FSFloaterIMContainer* findInstance();
 	static FSFloaterIMContainer* getInstance();
 
-	virtual void setMinimized(BOOL b);
 	virtual void setVisible(BOOL b);
 	
 	void onNewMessageReceived(const LLSD& data); // public so nearbychat can call it directly. TODO: handle via callback. -AO
diff --git a/indra/newview/skins/default/xui/en/floater_fs_im_container.xml b/indra/newview/skins/default/xui/en/floater_fs_im_container.xml
index 98eac40fa4..bb4f0dc1e8 100644
--- a/indra/newview/skins/default/xui/en/floater_fs_im_container.xml
+++ b/indra/newview/skins/default/xui/en/floater_fs_im_container.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <multi_floater
  can_close="true"
- can_minimize="false"
+ can_minimize="true"
  can_resize="true"
  height="390"
  layout="topleft"
diff --git a/indra/newview/skins/vintage/xui/en/floater_im_container.xml b/indra/newview/skins/vintage/xui/en/floater_im_container.xml
index 276f59f6f2..9fc3c59ae1 100644
--- a/indra/newview/skins/vintage/xui/en/floater_im_container.xml
+++ b/indra/newview/skins/vintage/xui/en/floater_im_container.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <multi_floater
  can_close="true"
- can_minimize="false"
+ can_minimize="true"
  can_resize="true"
  height="390"
  layout="topleft"