diff --git a/schema/metrics.statistics.yml b/schema/metrics.statistics.yml
index dde63ac..dd58f14 100644
--- a/schema/metrics.statistics.yml
+++ b/schema/metrics.statistics.yml
@@ -6,7 +6,6 @@ properties:
     description:
       The reporting interval defined in seconds.
     type: integer
-    minimum: 60
   types:
     description:
       A list of names of subsystems that shall be reported periodically.