diff --git a/django_migration_linter/migration_linter.py b/django_migration_linter/migration_linter.py
index 79f25e6..139cbe6 100644
--- a/django_migration_linter/migration_linter.py
+++ b/django_migration_linter/migration_linter.py
@@ -27,7 +27,7 @@ logger = logging.getLogger(__name__)
 # Can be used to mark ignored migrations.
 # This is a noop for SQL. Comments would be better.
 # But comments are stripped by RunSQL
-IGNORE_MIGRATION = "SELECT 'dml-ignore'"
+IGNORE_MIGRATION = ("SELECT 'dml-ignore'", )
 
 
 class MigrationLinter(object):
diff --git a/setup.py b/setup.py
index 2145545..79ca34d 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,6 @@ with open(path.join(PROJECT_DIR, 'README.rst')) as f:
 
 install_requirements = [
     'django>=1.11',
-    'sqlparse>=0.2.4'
 ]
 
 test_requirements = [
diff --git a/tox.ini b/tox.ini
index 66749df..7ffc655 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,6 @@ pip_pre = true
 deps =
     django111: django>=1.11,<2.0
     django20: django>=2.0
-    sqlparse
 
 [testenv:lint]
 basepython = python3.6