diff --git a/src/System.Management.Automation/engine/Modules/ModuleUtils.cs b/src/System.Management.Automation/engine/Modules/ModuleUtils.cs
index b2ee85a1b03..128cd76d369 100644
--- a/src/System.Management.Automation/engine/Modules/ModuleUtils.cs
+++ b/src/System.Management.Automation/engine/Modules/ModuleUtils.cs
@@ -81,8 +81,7 @@ internal static IEnumerable<string> GetAllAvailableModuleFiles(string topDirecto
                 string directoryToCheck = directoriesToCheck.Dequeue();
                 try
                 {
-                    string[] subDirectories = Directory.GetDirectories(directoryToCheck, "*", options);
-                    foreach (string toAdd in subDirectories)
+                    foreach (string toAdd in Directory.EnumerateDirectories(directoryToCheck, "*", options))
                     {
                         if (firstSubDirs || !IsPossibleResourceDirectory(toAdd))
                         {
@@ -94,8 +93,7 @@ internal static IEnumerable<string> GetAllAvailableModuleFiles(string topDirecto
                 catch (UnauthorizedAccessException) { }
 
                 firstSubDirs = false;
-                string[] files = Directory.GetFiles(directoryToCheck, "*", options);
-                foreach (string moduleFile in files)
+                foreach (string moduleFile in Directory.EnumerateFiles(directoryToCheck, "*", options))
                 {
                     foreach (string ext in ModuleIntrinsics.PSModuleExtensions)
                     {
@@ -332,14 +330,14 @@ internal static List<Version> GetModuleVersionSubfolders(string moduleBase)
             if (!string.IsNullOrWhiteSpace(moduleBase) && Directory.Exists(moduleBase))
             {
                 var options = Utils.PathIsUnc(moduleBase) ? s_uncPathEnumerationOptions : s_defaultEnumerationOptions;
-                string[] subdirectories = Directory.GetDirectories(moduleBase, "*", options);
+                IEnumerable<string> subdirectories = Directory.EnumerateDirectories(moduleBase, "*", options);
                 ProcessPossibleVersionSubdirectories(subdirectories, versionFolders);
             }
 
             return versionFolders;
         }
 
-        private static void ProcessPossibleVersionSubdirectories(string[] subdirectories, List<Version> versionFolders)
+        private static void ProcessPossibleVersionSubdirectories(IEnumerable<string> subdirectories, List<Version> versionFolders)
         {
             foreach (string subdir in subdirectories)
             {