diff --git a/kio/kio/kdirlister.cpp b/kio/kio/kdirlister.cpp
index 7fbe8454..b05707e9 100644
--- a/kio/kio/kdirlister.cpp
+++ b/kio/kio/kdirlister.cpp
@@ -80,7 +80,7 @@ void KDirListerPrivate::processEntries(KIO::Job *job, const KIO::UDSEntryList &e
         if (name.isEmpty()) {
             continue;
         }
-        const KFileItem item(it, processJob->url(), true);
+        const KFileItem item(it, processJob->url());
         if (name == QLatin1String(".")) {
             rootItem = item;
             continue;
diff --git a/kio/kio/kfileitem.cpp b/kio/kio/kfileitem.cpp
index 21f26e78..1ff518c7 100644
--- a/kio/kio/kfileitem.cpp
+++ b/kio/kio/kfileitem.cpp
@@ -299,8 +299,8 @@ KFileItem::KFileItem()
 {
 }
 
-KFileItem::KFileItem(const KIO::UDSEntry& entry, const KUrl& itemOrDirUrl, bool urlIsDirectory)
-    : d(new KFileItemPrivate(entry, KFileItem::Unknown, KFileItem::Unknown, itemOrDirUrl, urlIsDirectory))
+KFileItem::KFileItem(const KIO::UDSEntry& entry, const KUrl& itemOrDirUrl)
+    : d(new KFileItemPrivate(entry, KFileItem::Unknown, KFileItem::Unknown, itemOrDirUrl, true))
 {
 }
 
diff --git a/kio/kio/kfileitem.h b/kio/kio/kfileitem.h
index cef5f382..5e37abc1 100644
--- a/kio/kio/kfileitem.h
+++ b/kio/kio/kfileitem.h
@@ -77,8 +77,7 @@ public:
      * When creating KFileItems out of the UDSEntry emitted by a KIO list job,
      * use KFileItem(entry, listjob->url(), true);
      */
-    KFileItem(const KIO::UDSEntry &entry, const KUrl &itemOrDirUrl,
-              bool urlIsDirectory = false );
+    KFileItem(const KIO::UDSEntry &entry, const KUrl &itemOrDirUrl);
 
     /**
      * Creates an item representing a file, from all the necessary info for it.
diff --git a/kio/tests/kfileitemtest.cpp b/kio/tests/kfileitemtest.cpp
index 123e40b7..e68dfcb9 100644
--- a/kio/tests/kfileitemtest.cpp
+++ b/kio/tests/kfileitemtest.cpp
@@ -172,7 +172,7 @@ void KFileItemTest::testMimeTypeOnDemand()
     QVERIFY(file.open());
 
     {
-        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()), true /*on demand*/);
+        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()));
         QCOMPARE(fileItem.mimeTypePtr()->name(), KMimeType::defaultMimeType());
         QVERIFY(!fileItem.isMimeTypeKnown());
         //kDebug() << fileItem.determineMimeType()->name();
@@ -183,7 +183,7 @@ void KFileItemTest::testMimeTypeOnDemand()
 
     {
         // Calling mimeType directly also does mimetype determination
-        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()), true /*on demand*/);
+        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()));
         QVERIFY(!fileItem.isMimeTypeKnown());
         QCOMPARE(fileItem.mimetype(), QString("application/x-zerosize"));
         QVERIFY(fileItem.isMimeTypeKnown());
@@ -191,7 +191,7 @@ void KFileItemTest::testMimeTypeOnDemand()
 
     {
         // Calling overlays should NOT do mimetype determination (#237668)
-        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()), true /*on demand*/);
+        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()));
         QVERIFY(!fileItem.isMimeTypeKnown());
         fileItem.overlays();
         QVERIFY(!fileItem.isMimeTypeKnown());
@@ -206,7 +206,7 @@ void KFileItemTest::testMimeTypeOnDemand()
         QString fileName = file.fileName();
         QVERIFY(!fileName.isEmpty());
         file.close();
-        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(fileName), true /*on demand*/);
+        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(fileName));
         QCOMPARE(fileItem.mimeTypePtr()->name(), KMimeType::defaultMimeType());
         QVERIFY(!fileItem.isMimeTypeKnown());
         QCOMPARE(fileItem.determineMimeType()->name(), QString("application/pdf"));
@@ -223,17 +223,12 @@ void KFileItemTest::testMimeTypeOnDemand()
         QString fileName = file.fileName();
         QVERIFY(!fileName.isEmpty());
         file.close();
-        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(fileName), true /*on demand*/);
+        KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(fileName));
         QCOMPARE(fileItem.mimeTypePtr()->name(), QString("text/plain"));
         QVERIFY(!fileItem.isMimeTypeKnown());
         QCOMPARE(fileItem.determineMimeType()->name(), QString("text/plain"));
         QCOMPARE(fileItem.mimetype(), QString("text/plain"));
         QVERIFY(fileItem.isMimeTypeKnown());
-
-        // And if the mimetype is not on demand?
-        KFileItem fileItem2(KFileItem::Unknown, KFileItem::Unknown, KUrl(fileName));
-        QCOMPARE(fileItem2.mimeTypePtr()->name(), QString("text/plain")); // XDG says: application/smil; but can't sniff all files so this can't work
-        QVERIFY(fileItem2.isMimeTypeKnown());
     }
 }
 
@@ -242,8 +237,8 @@ void KFileItemTest::testCmp()
     KTemporaryFile file;
     QVERIFY(file.open());
 
-    KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()), true /*on demand*/);
-    KFileItem fileItem2(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()), false);
+    KFileItem fileItem(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()));
+    KFileItem fileItem2(KFileItem::Unknown, KFileItem::Unknown, KUrl(file.fileName()));
     QVERIFY(fileItem == fileItem2); // created independently, but still 'equal'
     QVERIFY(fileItem.d != fileItem2.d);
     QVERIFY(!(fileItem != fileItem2));