diff --git a/rdmd.d b/rdmd.d
index ab28e95f3a..c795195961 100644
--- a/rdmd.d
+++ b/rdmd.d
@@ -679,7 +679,7 @@ private string[string] getDependencies(string rootModule, string workDir,
         {
             // See if the deps file is still in good shape
             auto deps = readDepsFile();
-            auto allDeps = chain(rootModule.only, deps.byKey).array;
+            auto allDeps = chain(rootModule.only, deps.byKey);
             bool mustRebuildDeps = allDeps.anyNewerThan(depsT);
             if (!mustRebuildDeps)
             {
@@ -717,40 +717,25 @@ private string[string] getDependencies(string rootModule, string workDir,
 }
 
 // Is any file newer than the given file?
-bool anyNewerThan(in string[] files, in string file)
+bool anyNewerThan(T)(T files, in string file)
 {
     yap("stat ", file);
     return files.anyNewerThan(file.timeLastModified);
 }
 
 // Is any file newer than the given file?
-bool anyNewerThan(in string[] files, SysTime t)
+bool anyNewerThan(T)(T files, SysTime t)
 {
-    // Experimental: running newerThan in separate threads, one per file
-    if (false)
+    bool result;
+    foreach (source; taskPool.parallel(files))
     {
-        foreach (source; files)
-        {
-            if (source.newerThan(t))
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-    else
-    {
-        bool result;
-        foreach (source; taskPool.parallel(files))
+        yap("stat ", source);
+        if (!result && source.newerThan(t))
         {
-            yap("stat ", source);
-            if (!result && source.newerThan(t))
-            {
-                result = true;
-            }
+            result = true;
         }
-        return result;
     }
+    return result;
 }
 
 /*