diff --git a/taiga/searches/migrations/0001_initial.py b/taiga/searches/migrations/0001_initial.py
deleted file mode 100644
index b30cfa4d..00000000
--- a/taiga/searches/migrations/0001_initial.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from django.db import models, migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('wiki', '0001_initial'),
-        ('userstories', '0009_remove_userstory_is_archived'),
-        ('issues', '0005_auto_20150623_1923'),
-        ('tasks', '0006_auto_20150623_1923'),
-    ]
-
-    operations = [
-        migrations.RunSQL(
-            """
-            CREATE INDEX "userstories_full_text_idx" ON userstories_userstory USING gin(to_tsvector('simple', coalesce(subject, '') || ' ' || coalesce(ref) || ' ' || coalesce(description, '')));
-            """,
-            reverse_sql="""DROP INDEX IF EXISTS "userstories_full_text_idx";"""
-        ),
-        migrations.RunSQL(
-            """
-            CREATE INDEX "tasks_full_text_idx" ON tasks_task USING gin(to_tsvector('simple', coalesce(subject, '') || ' ' || coalesce(ref) || ' ' || coalesce(description, '')));
-            """,
-            reverse_sql="""DROP INDEX IF EXISTS "tasks_full_text_idx";"""
-        ),
-        migrations.RunSQL(
-            """
-            CREATE INDEX "issues_full_text_idx" ON issues_issue USING gin(to_tsvector('simple', coalesce(subject, '') || ' ' || coalesce(ref) || ' ' || coalesce(description, '')));
-            """,
-            reverse_sql="""DROP INDEX IF EXISTS "issues_full_text_idx";"""
-        ),
-        migrations.RunSQL(
-            """
-            CREATE INDEX "wikipages_full_text_idx" ON wiki_wikipage USING gin(to_tsvector('simple', coalesce(slug, '') || ' ' || coalesce(content, '')));
-            """,
-            reverse_sql="""DROP INDEX IF EXISTS "wikipages_full_text_idx";"""
-        ),
-    ]
diff --git a/taiga/searches/migrations/__init__.py b/taiga/searches/migrations/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/taiga/searches/services.py b/taiga/searches/services.py
index 9d7d0529..495e298d 100644
--- a/taiga/searches/services.py
+++ b/taiga/searches/services.py
@@ -23,9 +23,10 @@ MAX_RESULTS = getattr(settings, "SEARCHES_MAX_RESULTS", 150)
 
 def search_user_stories(project, text):
     model_cls = apps.get_model("userstories", "UserStory")
-    where_clause = ("to_tsvector('simple', coalesce(userstories_userstory.subject, '') || ' ' || "
-                    "coalesce(userstories_userstory.ref) || ' ' || "
-                    "coalesce(userstories_userstory.description, '')) @@ plainto_tsquery(%s)")
+    where_clause = ("to_tsvector(coalesce(userstories_userstory.subject) || ' ' || "
+                                "coalesce(userstories_userstory.ref) || ' ' || "
+                                "coalesce(userstories_userstory.description, '')) "
+                    "@@ plainto_tsquery(%s)")
 
     if text:
         return (model_cls.objects.extra(where=[where_clause], params=[text])
@@ -36,7 +37,7 @@ def search_user_stories(project, text):
 
 def search_tasks(project, text):
     model_cls = apps.get_model("tasks", "Task")
-    where_clause = ("to_tsvector('simple', coalesce(tasks_task.subject, '') || ' ' || "
+    where_clause = ("to_tsvector(coalesce(tasks_task.subject, '') || ' ' || "
                     "coalesce(tasks_task.ref) || ' ' || "
                     "coalesce(tasks_task.description, '')) @@ plainto_tsquery(%s)")
 
@@ -49,7 +50,7 @@ def search_tasks(project, text):
 
 def search_issues(project, text):
     model_cls = apps.get_model("issues", "Issue")
-    where_clause = ("to_tsvector('simple', coalesce(issues_issue.subject) || ' ' || "
+    where_clause = ("to_tsvector(coalesce(issues_issue.subject) || ' ' || "
                     "coalesce(issues_issue.ref) || ' ' || "
                     "coalesce(issues_issue.description, '')) @@ plainto_tsquery(%s)")
 
@@ -62,8 +63,9 @@ def search_issues(project, text):
 
 def search_wiki_pages(project, text):
     model_cls = apps.get_model("wiki", "WikiPage")
-    where_clause = ("to_tsvector('simple', coalesce(wiki_wikipage.slug) || ' ' || "
-                    "coalesce(wiki_wikipage.content, '')) @@ plainto_tsquery(%s)")
+    where_clause = ("to_tsvector(coalesce(wiki_wikipage.slug) || ' ' || "
+                                "coalesce(wiki_wikipage.content, '')) "
+                    "@@ plainto_tsquery(%s)")
 
     if text:
         return (model_cls.objects.extra(where=[where_clause], params=[text])