diff --git a/indra/newview/llfloaterblacklist.cpp b/indra/newview/llfloaterblacklist.cpp
index dde1e07c1..255552928 100644
--- a/indra/newview/llfloaterblacklist.cpp
+++ b/indra/newview/llfloaterblacklist.cpp
@@ -208,7 +208,7 @@ void LLFloaterBlacklist::onClickRemove(void* user_data)
 	if(list->getFirstSelected())
 	{
 		uuid_vec_t selectedIDs = list->getSelectedIDs();
-		typename uuid_vec_t::const_iterator iterator;
+		uuid_vec_t::const_iterator iterator;
 		for(iterator  = selectedIDs.begin();
 		    iterator != selectedIDs.end();
 		    ++iterator)
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index 8fc8f56b9..3fa013a73 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -2197,7 +2197,7 @@ int get_folder_levels(LLInventoryCategory* inv_cat)
 
 	int max_child_levels = 0;
 
-	for (S32 i=0; i < cats->size(); ++i)
+	for (size_t i=0; i < cats->size(); ++i)
 	{
 		LLInventoryCategory* category = cats->at(i);
 		max_child_levels = llmax(max_child_levels, get_folder_levels(category));
@@ -2447,7 +2447,7 @@ BOOL LLFolderBridge::dragCategoryIntoFolder(LLInventoryCategory* inv_cat,
 				
 				if (is_movable == TRUE)
 				{
-					for (S32 i=0; i < descendent_items.size(); ++i)
+					for (size_t i=0; i < descendent_items.size(); ++i)
 					{
 						LLInventoryItem* item = descendent_items[i];
 						if (!can_move_to_outbox(item))
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index ae2d31217..970bbcae9 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -3951,7 +3951,7 @@ void LLRiggedVolume::update(const LLMeshSkinInfo* skin, LLVOAvatar* avatar, cons
 
 					LLMatrix4a src;
 					// clamp k to kMaxJoints to avoid reading garbage off stack in release
-					src.setMul(mp[(idx[k] < count) ? idx[k] : 0], w);
+					src.setMul(mp[(idx[k] < (S32)count) ? idx[k] : 0], w);
 
 					final_mat.add(src);
 				}