diff --git a/apps/openmw/mwgui/spellbuyingwindow.cpp b/apps/openmw/mwgui/spellbuyingwindow.cpp
index b346939b3b..c6e5eb399a 100644
--- a/apps/openmw/mwgui/spellbuyingwindow.cpp
+++ b/apps/openmw/mwgui/spellbuyingwindow.cpp
@@ -68,7 +68,6 @@ namespace MWGui
             );
 
         mCurrentY += sLineHeight;
-        /// \todo price adjustment depending on merchantile skill
 
         toAdd->setUserData(price);
         toAdd->setCaptionWithReplacing(spell->mName+"   -   "+boost::lexical_cast<std::string>(price)+"#{sgp}");
diff --git a/apps/openmw/mwgui/spellcreationdialog.cpp b/apps/openmw/mwgui/spellcreationdialog.cpp
index 562a48c74f..1d97379362 100644
--- a/apps/openmw/mwgui/spellcreationdialog.cpp
+++ b/apps/openmw/mwgui/spellcreationdialog.cpp
@@ -400,7 +400,6 @@ namespace MWGui
         float fSpellMakingValueMult =
             store.get<ESM::GameSetting>().find("fSpellMakingValueMult")->getFloat();
 
-        /// \todo mercantile
         int price = MWBase::Environment::get().getMechanicsManager()->barterOffer(mPtr,int(y) * fSpellMakingValueMult,true);
 
         mPriceLabel->setCaption(boost::lexical_cast<std::string>(int(price)));
diff --git a/apps/openmw/mwgui/trainingwindow.cpp b/apps/openmw/mwgui/trainingwindow.cpp
index 63bd64721d..81f58fbe1f 100644
--- a/apps/openmw/mwgui/trainingwindow.cpp
+++ b/apps/openmw/mwgui/trainingwindow.cpp
@@ -79,7 +79,6 @@ namespace MWGui
 
         for (int i=0; i<3; ++i)
         {
-            /// \todo mercantile skill
             int price = MWBase::Environment::get().getMechanicsManager()->barterOffer
                     (mPtr,pcStats.getSkill (bestSkills[i].first).getBase() * gmst.find("iTrainingMod")->getInt (),true);
 
@@ -121,8 +120,8 @@ namespace MWGui
         const MWWorld::ESMStore &store =
             MWBase::Environment::get().getWorld()->getStore();
 
-        /// \todo mercantile skill
         int price = pcStats.getSkill (skillId).getBase() * store.get<ESM::GameSetting>().find("iTrainingMod")->getInt ();
+        price = MWBase::Environment::get().getMechanicsManager()->barterOffer(mPtr,price,true);
 
         if (mWindowManager.getInventoryWindow()->getPlayerGold()<price)
             return;
diff --git a/apps/openmw/mwgui/travelwindow.cpp b/apps/openmw/mwgui/travelwindow.cpp
index 338aa68368..4c36b2064b 100644
--- a/apps/openmw/mwgui/travelwindow.cpp
+++ b/apps/openmw/mwgui/travelwindow.cpp
@@ -73,7 +73,6 @@ namespace MWGui
 
         MyGUI::Button* toAdd = mDestinationsView->createWidget<MyGUI::Button>((price>mWindowManager.getInventoryWindow()->getPlayerGold()) ? "SandTextGreyedOut" : "SandTextButton", 0, mCurrentY, 200, sLineHeight, MyGUI::Align::Default);
         mCurrentY += sLineHeight;
-        /// \todo price adjustment depending on merchantile skill
         if(interior)
             toAdd->setUserString("interior","y");
         else