diff --git a/scripts/profile-time.py b/scripts/profile-time.py
index cb2d9368..cd4283f7 100644
--- a/scripts/profile-time.py
+++ b/scripts/profile-time.py
@@ -105,8 +105,7 @@ def main(argv=None):
     if (args.format == "freeze") or (
         args.format == capa.features.common.FORMAT_AUTO and capa.features.freeze.is_freeze(taste)
     ):
-        extractor: FeatureExtractor = capa.features.freeze.load(Path(args.sample).read_bytes())
-        assert isinstance(extractor, StaticFeatureExtractor)
+        extractor = capa.features.freeze.load(Path(args.sample).read_bytes())
     else:
         extractor = capa.main.get_extractor(
             args.sample, args.format, args.os, capa.main.BACKEND_VIV, sig_paths, should_save_workspace=False