diff --git a/spec/cassettes/Octokit_Client_PubSubHubbub/_subscribe/raises_an_error_when_topic_is_not_recognized.json b/spec/cassettes/Octokit_Client_PubSubHubbub/_subscribe/raises_an_error_when_topic_is_not_recognized.json
deleted file mode 100644
index e32bc778a..000000000
--- a/spec/cassettes/Octokit_Client_PubSubHubbub/_subscribe/raises_an_error_when_topic_is_not_recognized.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/spec/cassettes/Octokit_Client_PubSubHubbub/_unsubscribe/unsubscribes_from_pull_events.json b/spec/cassettes/Octokit_Client_PubSubHubbub/_unsubscribe/unsubscribes_from_pull_events.json
deleted file mode 100644
index 4cac716fb..000000000
--- a/spec/cassettes/Octokit_Client_PubSubHubbub/_unsubscribe/unsubscribes_from_pull_events.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/spec/cassettes/Octokit_Client_PubSubHubbub/unsubscribe_service_hook/unsubscribes_to_stop_receiving_events_on_specified_topic.json b/spec/cassettes/Octokit_Client_PubSubHubbub/unsubscribe_service_hook/unsubscribes_to_stop_receiving_events_on_specified_topic.json
deleted file mode 100644
index d3fb0b5da..000000000
--- a/spec/cassettes/Octokit_Client_PubSubHubbub/unsubscribe_service_hook/unsubscribes_to_stop_receiving_events_on_specified_topic.json
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file