diff --git a/shimatta_kenkyusho/parts/views.py b/shimatta_kenkyusho/parts/views.py
index 5fa8ce7..3da80e8 100644
--- a/shimatta_kenkyusho/parts/views.py
+++ b/shimatta_kenkyusho/parts/views.py
@@ -23,7 +23,6 @@ from django.db.models import Prefetch
 from django.db.models.functions import Lower
 from django.forms import formset_factory
 import uuid
-from django.contrib.postgres.search import SearchVector, SearchQuery, SearchRank, TrigramSimilarity
 
 ParameterSearchFormSet = formset_factory(ComponentParameterSearchForm, extra=0)
 
@@ -300,18 +299,12 @@ class PackageView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
             qs = qs.filter(s_filter)
         return qs
 
-    def search_packages_adv(self, search):
-        if not search:
-            return Package.objects.all()
-
-        return Package.objects.annotate(similarity=TrigramSimilarity('name', search)).order_by('-similarity')
-
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         page_num = self.request.GET.get('page', default=1)
         search_string = self.request.GET.get('search', default=None)
         
-        package_queryset = self.search_packages_adv(search_string)
+        package_queryset = self.search_packages(search_string)
 
         paginator = Paginator(package_queryset, self.default_page_size)       
 
diff --git a/shimatta_kenkyusho/shimatta_kenkyusho/settings.py b/shimatta_kenkyusho/shimatta_kenkyusho/settings.py
index 937633b..8966031 100644
--- a/shimatta_kenkyusho/shimatta_kenkyusho/settings.py
+++ b/shimatta_kenkyusho/shimatta_kenkyusho/settings.py
@@ -47,7 +47,6 @@ INSTALLED_APPS = [
     'crispy_forms',
     'crispy_bootstrap5',
     'django.forms',
-    'django.contrib.postgres'
 ]
 
 FORM_RENDERER = 'django.forms.renderers.TemplatesSetting'
diff --git a/shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py b/shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py
index 863c3a0..43c9681 100644
--- a/shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py
+++ b/shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py
@@ -68,7 +68,6 @@ INSTALLED_APPS = [
     'crispy_forms',
     'crispy_bootstrap5',
     'django.forms',
-    'django.contrib.postgres'
 ]