diff --git a/seminar/admin.py b/seminar/admin.py
index d9771f5e..82df8fff 100644
--- a/seminar/admin.py
+++ b/seminar/admin.py
@@ -445,9 +445,12 @@ class ProblemNavrhAdmin(ProblemAdmin):
 
 create_modeladmin(ProblemNavrhAdmin, Problem, 'ProblemNavrh', verbose_name=u'Problém (návrh)', verbose_name_plural=u'Problémy (návrhy)')
 
+
 class ProblemZadanyAdmin(ProblemAdmin):
-    list_display = ['nazev', 'typ', 'autor', 'opravovatel', 'kod', 'cislo_zadani', 'pocet_reseni', 'verejne']
-    list_filter = ['typ', 'zamereni', 'cislo_zadani__cislo', 'cislo_zadani__rocnik']
+    list_display = ['nazev', 'typ', 'autor', 'opravovatel', 'kod', 'verejne']
+    list_filter = [
+        'typ', 'zamereni', 'cislo_zadani__cislo', 'cislo_zadani__rocnik'
+    ]
 
     def get_inline_instances(self, request, obj=None):
         if obj and obj.typ == Problem.TYP_ULOHA:
@@ -459,7 +462,7 @@ class ProblemZadanyAdmin(ProblemAdmin):
 
     def get_queryset(self, request):
         qs = super(ProblemZadanyAdmin, self).get_queryset(request)
-        return qs.filter(stav=Problem.STAV_ZADANY).annotate(pocet_reseni=Count('reseni'))
+        return qs.filter(stav=Problem.STAV_ZADANY)
 
     get_form = get_form_predvypln_autora