Index: Core/Common/src/Core.Common.Utils/Globalization/RegionalSettingsManager.cs
===================================================================
diff -u -ra5e7f5cca253bd8c38f75d3830c55fbfc9cc4bb6 -r35047fdcccdcf06cce2ee47c726310c2577db8ea
--- Core/Common/src/Core.Common.Utils/Globalization/RegionalSettingsManager.cs	(.../RegionalSettingsManager.cs)	(revision a5e7f5cca253bd8c38f75d3830c55fbfc9cc4bb6)
+++ Core/Common/src/Core.Common.Utils/Globalization/RegionalSettingsManager.cs	(.../RegionalSettingsManager.cs)	(revision 35047fdcccdcf06cce2ee47c726310c2577db8ea)
@@ -13,7 +13,6 @@
     public static class RegionalSettingsManager
     {
         public static event Action FormatChanged;
-        private static readonly CustomFormatProvider customFormatProvider = new CustomFormatProvider();
 
         private static string realNumberFormat = "G5";
 
@@ -58,11 +57,6 @@
             }
         }
 
-        public static IFormatProvider GetCustomFormatProvider()
-        {
-            return customFormatProvider;
-        }
-
         public static string ConvertToString(object value, bool truncateNumbers = true)
         {
             if (value is DateTime)
@@ -75,42 +69,5 @@
             }
             return Convert.ToString(value, CurrentCulture);
         }
-
-        private static DateTimeFormatInfo CreateDateTimeFormatFromSystemSettingsWithoutNameLocalization()
-        {
-            var systemCulture = Thread.CurrentThread.CurrentCulture.DateTimeFormat;
-            var ci = CultureInfo.InvariantCulture;
-
-            var localMachineDateTimeFormat = (DateTimeFormatInfo) systemCulture.Clone();
-            //don't take the localized names!
-            localMachineDateTimeFormat.DayNames = ci.DateTimeFormat.DayNames;
-            localMachineDateTimeFormat.MonthNames = ci.DateTimeFormat.MonthNames;
-            localMachineDateTimeFormat.AbbreviatedDayNames = ci.DateTimeFormat.AbbreviatedDayNames;
-            localMachineDateTimeFormat.AbbreviatedMonthGenitiveNames = ci.DateTimeFormat.AbbreviatedMonthGenitiveNames;
-            localMachineDateTimeFormat.AbbreviatedMonthNames = ci.DateTimeFormat.AbbreviatedMonthNames;
-            return localMachineDateTimeFormat;
-        }
-
-        /// <summary>
-        /// TODO: how to make .NET use this FormatProvider instead of CurrentCulture.NumberInfo? Sealed class problem
-        /// </summary>
-        private class CustomFormatProvider : IFormatProvider, ICustomFormatter
-        {
-            public string Format(string format, object arg, IFormatProvider formatProvider)
-            {
-                var argType = arg.GetType();
-                if ((argType == typeof(double) || argType == typeof(float)))
-                {
-                    return string.Format(CurrentCulture, "{" + realNumberFormat + "}", arg);
-                }
-
-                return string.Format(CurrentCulture, format, arg);
-            }
-
-            public object GetFormat(Type formatType)
-            {
-                return (formatType == typeof(ICustomFormatter)) ? this : null;
-            }
-        }
     }
 }
\ No newline at end of file
Index: Core/Common/test/Core.Common.Utils.Test/Globalization/RegionalSettingsManagerTest.cs
===================================================================
diff -u -ra5e7f5cca253bd8c38f75d3830c55fbfc9cc4bb6 -r35047fdcccdcf06cce2ee47c726310c2577db8ea
--- Core/Common/test/Core.Common.Utils.Test/Globalization/RegionalSettingsManagerTest.cs	(.../RegionalSettingsManagerTest.cs)	(revision a5e7f5cca253bd8c38f75d3830c55fbfc9cc4bb6)
+++ Core/Common/test/Core.Common.Utils.Test/Globalization/RegionalSettingsManagerTest.cs	(.../RegionalSettingsManagerTest.cs)	(revision 35047fdcccdcf06cce2ee47c726310c2577db8ea)
@@ -1,7 +1,6 @@
 using System;
 using System.Globalization;
 using System.Threading;
-using Core.Common.Utils.Globalization;
 using NUnit.Framework;
 
 namespace Core.Common.Utils.Test.Globalization
@@ -10,26 +9,6 @@
     public class RegionalSettingsManagerTest
     {
         [Test]
-        public void SetRealNumberFormat()
-        {
-            var formatChangedCallCount = 0;
-            RegionalSettingsManager.FormatChanged += delegate { formatChangedCallCount++; };
-
-            RegionalSettingsManager.RealNumberFormat = "0:0.0";
-
-            var value = 1000000.0001;
-
-            var formatProvider = RegionalSettingsManager.GetCustomFormatProvider();
-
-            var str = string.Format(formatProvider, "{0}", value);
-
-            var currentNumberFormat = Thread.CurrentThread.CurrentCulture.NumberFormat;
-
-            Assert.AreEqual("1000000" + currentNumberFormat.NumberDecimalSeparator + "0", str);
-            Assert.AreEqual(1, formatChangedCallCount);
-        }
-
-        [Test]
         public void TestForLowerAndUpperCaseInTurkishLanguage()
         {
             // This test is just to identify the problem and a possible solution