diff --git a/packages/flamenco-worker-python/flamenco_worker/runner.py b/packages/flamenco-worker-python/flamenco_worker/runner.py
index f43c9e116bfeb05a30031cb2d34f5410e7ffd738..15e0f99152819f8bc6518beb09f339972a7e81c7 100644
--- a/packages/flamenco-worker-python/flamenco_worker/runner.py
+++ b/packages/flamenco-worker-python/flamenco_worker/runner.py
@@ -501,7 +501,6 @@ class BlenderRenderCommand(AbstractSubprocessCommand):
         cmd += [
             '--factory-startup',
             '--enable-autoexec',
-            '--debug-cycles',
             '-noaudio',
             '--background',
             settings['filepath'],
diff --git a/packages/flamenco-worker-python/tests/test_runner_blender_render.py b/packages/flamenco-worker-python/tests/test_runner_blender_render.py
index 9958a940e74e4ca90431608175169fe71a744d31..4908965e6bb62e8b69de4728557327db3c2ca232 100644
--- a/packages/flamenco-worker-python/tests/test_runner_blender_render.py
+++ b/packages/flamenco-worker-python/tests/test_runner_blender_render.py
@@ -92,7 +92,6 @@ class BlenderRenderTest(AbstractCommandTest):
                 '--cli=args for CLI',
                 '--factory-startup',
                 '--enable-autoexec',
-                '--debug-cycles',
                 '-noaudio',
                 '--background',
                 filepath,