diff --git a/testing/tests/regression-suite/220-Moz-REPORT.test b/testing/tests/regression-suite/220-Moz-REPORT.test
index 35127ef5..9d733b81 100644
--- a/testing/tests/regression-suite/220-Moz-REPORT.test
+++ b/testing/tests/regression-suite/220-Moz-REPORT.test
@@ -9,7 +9,6 @@ HEADER=Accept-Language: en-us,en;q=0.5
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-HEADER=Content-Type: text/xml
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 HEAD