diff --git a/rtgui/thumbnail.cc b/rtgui/thumbnail.cc
index bcf578143..5295b9d61 100644
--- a/rtgui/thumbnail.cc
+++ b/rtgui/thumbnail.cc
@@ -341,34 +341,31 @@ void Thumbnail::notifylisterners_procParamsChanged(int whoChangedIt)
  * the Preferences).
  *
  * The result is a complete ProcParams with default values merged with the values
- * from the default Raw or Image ProcParams, then with the values from the loaded
- * ProcParams (sidecar or cache file).
- */
+ * from the loaded ProcParams (sidecar or cache file).
+*/
 void Thumbnail::loadProcParams ()
 {
     MyMutex::MyLock lock(mutex);
 
     pparamsValid = false;
     pparams->setDefaults();
-    const PartialProfile *defaultPP = ProfileStore::getInstance()->getDefaultPartialProfile(getType() == FT_Raw);
-    defaultPP->applyTo(pparams.get());
 
     if (options.paramsLoadLocation == PLL_Input) {
         // try to load it from params file next to the image file
-        int ppres = pparams->load (fname + paramFileExtension);
+        const int ppres = pparams->load(fname + paramFileExtension);
         pparamsValid = !ppres && pparams->ppVersion >= 220;
 
         // if no success, try to load the cached version of the procparams
         if (!pparamsValid) {
-            pparamsValid = !pparams->load (getCacheFileName ("profiles", paramFileExtension));
+            pparamsValid = !pparams->load(getCacheFileName("profiles", paramFileExtension));
         }
     } else {
         // try to load it from cache
-        pparamsValid = !pparams->load (getCacheFileName ("profiles", paramFileExtension));
+        pparamsValid = !pparams->load(getCacheFileName("profiles", paramFileExtension));
 
         // if no success, try to load it from params file next to the image file
         if (!pparamsValid) {
-            int ppres = pparams->load (fname + paramFileExtension);
+            const int ppres = pparams->load(fname + paramFileExtension);
             pparamsValid = !ppres && pparams->ppVersion >= 220;
         }
     }