diff --git a/redash/settings/__init__.py b/redash/settings/__init__.py
index b59846844e..aff139f429 100644
--- a/redash/settings/__init__.py
+++ b/redash/settings/__init__.py
@@ -51,6 +51,7 @@
 
 SCHEMAS_REFRESH_SCHEDULE = int(os.environ.get("REDASH_SCHEMAS_REFRESH_SCHEDULE", 30))
 SCHEMAS_REFRESH_TIMEOUT = int(os.environ.get("REDASH_SCHEMAS_REFRESH_TIMEOUT", 300))
+SCHEMAS_REFRESH_EXCLUDED_TYPES = set_from_string(os.environ.get("REDASH_SCHEMAS_REFRESH_EXCLUDED_TYPES", ""))
 
 AUTH_TYPE = os.environ.get("REDASH_AUTH_TYPE", "api_key")
 INVITATION_TOKEN_MAX_AGE = int(os.environ.get("REDASH_INVITATION_TOKEN_MAX_AGE", 60 * 60 * 24 * 7))
diff --git a/redash/tasks/queries/maintenance.py b/redash/tasks/queries/maintenance.py
index bca3168c38..5ee6e2e362 100644
--- a/redash/tasks/queries/maintenance.py
+++ b/redash/tasks/queries/maintenance.py
@@ -205,6 +205,8 @@ def refresh_schemas():
             )
         elif ds.id in blacklist:
             logger.info("task=refresh_schema state=skip ds_id=%s reason=blacklist", ds.id)
+        elif ds.type in settings.SCHEMAS_REFRESH_EXCLUDED_TYPES:
+            logger.info("task=refresh_schema state=skip ds_id=%s reason=type_excluded", ds.id)
         elif ds.org.is_disabled:
             logger.info("task=refresh_schema state=skip ds_id=%s reason=org_disabled", ds.id)
         else:
diff --git a/tests/tasks/test_refresh_schemas.py b/tests/tasks/test_refresh_schemas.py
index 0b68fbb2c0..2386ea703e 100644
--- a/tests/tasks/test_refresh_schemas.py
+++ b/tests/tasks/test_refresh_schemas.py
@@ -1,5 +1,6 @@
 from mock import patch
 
+from redash import settings
 from redash.tasks import refresh_schemas
 from tests import BaseTestCase
 
@@ -23,3 +24,11 @@ def test_skips_paused_data_sources(self):
         with patch("redash.tasks.queries.maintenance.refresh_schema.delay") as refresh_job:
             refresh_schemas()
             refresh_job.assert_called()
+
+    def test_skips_excluded_datasource_types(self):
+        ds = self.factory.data_source
+
+        with patch.object(settings, "SCHEMAS_REFRESH_EXCLUDED_TYPES", {ds.type}):
+            with patch("redash.tasks.queries.maintenance.refresh_schema.delay") as refresh_job:
+                refresh_schemas()
+                refresh_job.assert_not_called()