diff --git a/activestorage/test/analyzer/video_analyzer_test.rb b/activestorage/test/analyzer/video_analyzer_test.rb
index d30f49315a577bb9a6d13d67c63ffa64f4584886..172a2f0aae7f91708471ac1de2c3564f16d60bd0 100644
--- a/activestorage/test/analyzer/video_analyzer_test.rb
+++ b/activestorage/test/analyzer/video_analyzer_test.rb
@@ -24,7 +24,6 @@ class ActiveStorage::Analyzer::VideoAnalyzerTest < ActiveSupport::TestCase
     assert_equal 480, metadata[:width]
     assert_equal 640, metadata[:height]
     assert_equal [4, 3], metadata[:display_aspect_ratio]
-    assert_equal 5.227975, metadata[:duration]
     assert_equal 90, metadata[:angle]
   end