diff --git a/lib/mimetypeutils.cpp b/lib/mimetypeutils.cpp
--- a/lib/mimetypeutils.cpp
+++ b/lib/mimetypeutils.cpp
@@ -67,7 +67,6 @@
 {
     // need to invent more intelligent way to whitelist raws
     *list += QStringLiteral("image/x-nikon-nef");
-    *list += QStringLiteral("image/x-nikon-nrw");
     *list += QStringLiteral("image/x-canon-cr2");
     *list += QStringLiteral("image/x-canon-crw");
     *list += QStringLiteral("image/x-pentax-pef");
@@ -78,7 +77,6 @@
     *list += QStringLiteral("image/x-panasonic-raw2");
     *list += QStringLiteral("image/x-panasonic-rw");
     *list += QStringLiteral("image/x-panasonic-rw2");
-    *list += QStringLiteral("image/x-samsung-srw");
     *list += QStringLiteral("image/x-olympus-orf");
     *list += QStringLiteral("image/x-fuji-raf");
     *list += QStringLiteral("image/x-kodak-dcr");
diff --git a/tests/auto/CMakeLists.txt b/tests/auto/CMakeLists.txt
--- a/tests/auto/CMakeLists.txt
+++ b/tests/auto/CMakeLists.txt
@@ -10,7 +10,6 @@
 endmacro(gv_add_unit_test)
 
 kde_source_files_enable_exceptions(
-    documenttest.cpp
     imagemetainfomodeltest.cpp
 )
 
diff --git a/tests/auto/documenttest.h b/tests/auto/documenttest.h
--- a/tests/auto/documenttest.h
+++ b/tests/auto/documenttest.h
@@ -128,6 +128,7 @@
     void testCheckDocumentEditor();
     void testUndoStackPush();
     void testUndoRedo();
+    void testOpenDialogMimeTypesFilter();
 
     void initTestCase();
     void init();
diff --git a/tests/auto/documenttest.cpp b/tests/auto/documenttest.cpp
--- a/tests/auto/documenttest.cpp
+++ b/tests/auto/documenttest.cpp
@@ -20,6 +20,7 @@
 // Qt
 #include <QConicalGradient>
 #include <QImage>
+#include <QMimeDatabase>
 #include <QPainter>
 
 // KDE
@@ -39,8 +40,6 @@
 #include "../lib/transformimageoperation.h"
 #include "testutils.h"
 
-#include <exiv2/exif.hpp>
-
 #include "documenttest.h"
 
 QTEST_MAIN(DocumentTest)
@@ -892,3 +891,13 @@
     QCOMPARE(doc->undoStack()->count(), 1);
     QVERIFY(doc->undoStack()->isClean());
 }
+
+void DocumentTest::testOpenDialogMimeTypesFilter()
+{
+    const QStringList mimeTypes = MimeTypeUtils::imageMimeTypes();
+    QMimeDatabase mdb;
+    for (const auto &s : mimeTypes) {
+        const QMimeType mt = mdb.mimeTypeForName(s);
+        QVERIFY(mt.isValid());
+    }
+}