diff --git a/apps/openmw/mwmechanics/actors.cpp b/apps/openmw/mwmechanics/actors.cpp
index 59f8ecbc0..02b73bff7 100644
--- a/apps/openmw/mwmechanics/actors.cpp
+++ b/apps/openmw/mwmechanics/actors.cpp
@@ -838,7 +838,7 @@ namespace MWMechanics
             if (ptr.getClass().isClass(ptr, "Guard") && creatureStats.getAiSequence().getTypeId() != AiPackage::TypeIdPursue && !creatureStats.getAiSequence().isInCombat())
             {
                 const MWWorld::ESMStore& esmStore = MWBase::Environment::get().getWorld()->getStore();
-                int cutoff = esmStore.get<ESM::GameSetting>().find("iCrimeThreshold")->getInt();
+                static const int cutoff = esmStore.get<ESM::GameSetting>().find("iCrimeThreshold")->getInt();
                 // Force dialogue on sight if bounty is greater than the cutoff
                 // In vanilla morrowind, the greeting dialogue is scripted to either arrest the player (< 5000 bounty) or attack (>= 5000 bounty)
                 if (   player.getClass().getNpcStats(player).getBounty() >= cutoff
@@ -846,7 +846,7 @@ namespace MWMechanics
                     && MWBase::Environment::get().getWorld()->getLOS(ptr, player)
                     && MWBase::Environment::get().getMechanicsManager()->awarenessCheck(player, ptr))
                 {
-                    static int iCrimeThresholdMultiplier = esmStore.get<ESM::GameSetting>().find("iCrimeThresholdMultiplier")->getInt();
+                    static const int iCrimeThresholdMultiplier = esmStore.get<ESM::GameSetting>().find("iCrimeThresholdMultiplier")->getInt();
                     if (player.getClass().getNpcStats(player).getBounty() >= cutoff * iCrimeThresholdMultiplier)
                         MWBase::Environment::get().getMechanicsManager()->startCombat(ptr, player);
                     else
diff --git a/apps/openmw/mwmechanics/creaturestats.cpp b/apps/openmw/mwmechanics/creaturestats.cpp
index 0638637fa..602e54a09 100644
--- a/apps/openmw/mwmechanics/creaturestats.cpp
+++ b/apps/openmw/mwmechanics/creaturestats.cpp
@@ -48,8 +48,10 @@ namespace MWMechanics
         const MWWorld::Store<ESM::GameSetting> &gmst =
             MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>();
 
-        return gmst.find ("fFatigueBase")->getFloat()
-            - gmst.find ("fFatigueMult")->getFloat() * (1-normalised);
+        static const float fFatigueBase = gmst.find("fFatigueBase")->getFloat();
+        static const float fFatigueMult = gmst.find("fFatigueMult")->getFloat();
+
+        return fFatigueBase - fFatigueMult * (1-normalised);
     }
 
     const AttributeValue &CreatureStats::getAttribute(int index) const
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index 03a64bce8..7fd73b482 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -1009,7 +1009,8 @@ namespace MWWorld
         if (mActivationDistanceOverride >= 0)
             return static_cast<float>(mActivationDistanceOverride);
 
-        return getStore().get<ESM::GameSetting>().find("iMaxActivateDist")->getFloat() * 5 / 4;
+        static const int iMaxActivateDist = getStore().get<ESM::GameSetting>().find("iMaxActivateDist")->getInt();
+        return iMaxActivateDist * 5.f / 4.f;
     }
 
     MWWorld::Ptr World::getFacedObject()
diff --git a/components/misc/stringops.cpp b/components/misc/stringops.cpp
deleted file mode 100644
index 723c1c1e0..000000000
--- a/components/misc/stringops.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "stringops.hpp"
-
-namespace Misc
-{
-
-std::locale StringUtils::mLocale = std::locale::classic();
-
-}
diff --git a/components/misc/stringops.hpp b/components/misc/stringops.hpp
index 04dedb072..d6bc19069 100644
--- a/components/misc/stringops.hpp
+++ b/components/misc/stringops.hpp
@@ -4,18 +4,15 @@
 #include <cctype>
 #include <string>
 #include <algorithm>
-#include <locale>
 
 namespace Misc
 {
 class StringUtils
 {
-
-    static std::locale mLocale;
     struct ci
     {
         bool operator()(char x, char y) const {
-            return std::tolower(x, StringUtils::mLocale) < std::tolower(y, StringUtils::mLocale);
+            return tolower(x) < tolower(y);
         }
     };
 
@@ -31,7 +28,7 @@ public:
         std::string::const_iterator xit = x.begin();
         std::string::const_iterator yit = y.begin();
         for (; xit != x.end(); ++xit, ++yit) {
-            if (std::tolower(*xit, mLocale) != std::tolower(*yit, mLocale)) {
+            if (tolower(*xit) != tolower(*yit)) {
                 return false;
             }
         }
@@ -45,7 +42,7 @@ public:
         for(;xit != x.end() && yit != y.end() && len > 0;++xit,++yit,--len)
         {
             int res = *xit - *yit;
-            if(res != 0 && std::tolower(*xit, mLocale) != std::tolower(*yit, mLocale))
+            if(res != 0 && tolower(*xit) != tolower(*yit))
                 return (res > 0) ? 1 : -1;
         }
         if(len > 0)
@@ -61,7 +58,7 @@ public:
     /// Transforms input string to lower case w/o copy
     static std::string &toLower(std::string &inout) {
         for (unsigned int i=0; i<inout.size(); ++i)
-            inout[i] = std::tolower(inout[i], mLocale);
+            inout[i] = tolower(inout[i]);
         return inout;
     }