diff --git a/test-data/prbs15-2M-20dB.sigmf-meta b/test-data/prbs15-2M-20dB.sigmf-meta
index 9d7eb25..db02a56 100644
--- a/test-data/prbs15-2M-20dB.sigmf-meta
+++ b/test-data/prbs15-2M-20dB.sigmf-meta
@@ -7,7 +7,6 @@
     },
     "captures": [
         {
-            "core:datetime": "2020-09-29T23:14:06Z",
             "core:frequency": 1622000000,
             "core:sample_start": 0
         }