diff --git a/src/plugins/qmlpreview/qmlpreviewplugin.cpp b/src/plugins/qmlpreview/qmlpreviewplugin.cpp
index bf3a66289ed..137c51b4b3d 100644
--- a/src/plugins/qmlpreview/qmlpreviewplugin.cpp
+++ b/src/plugins/qmlpreview/qmlpreviewplugin.cpp
@@ -99,22 +99,8 @@ static QByteArray defaultFileLoader(const QString &filename, bool *success)
 
 static bool defaultFileClassifier(const QString &filename)
 {
-    const QStringList list = {
-        ".glsl",
-        ".glslv",
-        ".glslf",
-        ".vsh",
-        ".fsh",
-        ".frag",
-        ".vert",
-        "qtquickcontrols2.conf" };
-
-    for (const QString &suffix : list)
-        if (filename.endsWith(suffix))
-            return false;
-
-    // We cannot dynamically load changes in qtquickcontrols2.conf and shaders
-    return true;
+    // We cannot dynamically load changes in qtquickcontrols2.conf
+    return !filename.endsWith("qtquickcontrols2.conf");
 }
 
 static void defaultFpsHandler(quint16 frames[8])