diff --git a/django/db/backends/postgresql/operations.py b/django/db/backends/postgresql/operations.py
index 463fdc3eda..d246638cca 100644
--- a/django/db/backends/postgresql/operations.py
+++ b/django/db/backends/postgresql/operations.py
@@ -255,9 +255,3 @@ class DatabaseOperations(BaseDatabaseOperations):
             rhs_sql, rhs_params = rhs
             return "(interval '1 day' * (%s - %s))" % (lhs_sql, rhs_sql), lhs_params + rhs_params
         return super().subtract_temporals(internal_type, lhs, rhs)
-
-    def fulltext_search_sql(self, field_name):
-        raise NotImplementedError(
-            "Add 'django.contrib.postgres' to settings.INSTALLED_APPS to use "
-            "the search operator."
-        )