diff --git a/Scalar.Common/Platforms/POSIX/POSIXPlatform.cs b/Scalar.Common/Platforms/POSIX/POSIXPlatform.cs
index f87a91cd68..606b4e6728 100644
--- a/Scalar.Common/Platforms/POSIX/POSIXPlatform.cs
+++ b/Scalar.Common/Platforms/POSIX/POSIXPlatform.cs
@@ -189,12 +189,12 @@ public override string GetUpgradeProtectedDataDirectory()
 
         public override string GetUpgradeLogDirectoryParentDirectory()
         {
-            return this.GetUpgradeNonProtectedDirectory();
+            return Path.Combine(this.GetCommonAppDataRootForScalar(), ProductUpgraderInfo.UpgradeDirectoryName);
         }
 
         public override string GetUpgradeHighestAvailableVersionDirectory()
         {
-            return this.GetUpgradeNonProtectedDirectory();
+            throw new NotImplementedException();
         }
 
         public override Dictionary<string, string> GetPhysicalDiskInfo(string path, bool sizeStatsOnly)
@@ -392,11 +392,6 @@ private static bool TryGetEnvironmentVariable(string name, out string val, out s
             return true;
         }
 
-        private string GetUpgradeNonProtectedDirectory()
-        {
-            return Path.Combine(this.GetCommonAppDataRootForScalar(), ProductUpgraderInfo.UpgradeDirectoryName);
-        }
-
         private static class NativeMethods
         {
             public static string ResolveSymlink(string path, int maxPathLength)