diff --git a/indra/newview/fsfloaterwhitelisthelper.h b/indra/newview/fsfloaterwhitelisthelper.h
index 184e7d6462..dd8197dea6 100644
--- a/indra/newview/fsfloaterwhitelisthelper.h
+++ b/indra/newview/fsfloaterwhitelisthelper.h
@@ -30,7 +30,7 @@
 
 #include "llfloater.h"
 
-class FSFloaterWhiteListHelper : public LLFloater
+class FSFloaterWhiteListHelper final : public LLFloater
 {
 public:
     explicit FSFloaterWhiteListHelper(const LLSD& key);
diff --git a/indra/newview/vjfloaterlocalmesh.h b/indra/newview/vjfloaterlocalmesh.h
index 59f4a55fd8..55d2410418 100644
--- a/indra/newview/vjfloaterlocalmesh.h
+++ b/indra/newview/vjfloaterlocalmesh.h
@@ -34,7 +34,7 @@ class LLFloaterLocalMeshFilePicker;
 class LLScrollListCtrl;
 class LLTextEditor;
 
-class LLFloaterLocalMesh : public LLFloater
+class LLFloaterLocalMesh final : public LLFloater
 {
 public:
     explicit LLFloaterLocalMesh(const LLSD& key);