diff --git a/src/test/ui/json-multiple.rs b/src/test/ui/json-multiple.rs
index a8a2518eb1f0..fb126339dc21 100644
--- a/src/test/ui/json-multiple.rs
+++ b/src/test/ui/json-multiple.rs
@@ -1,4 +1,5 @@
 // build-pass
+// ignore-pass (different metadata emitted in different modes)
 // compile-flags: --json=diagnostic-short --json artifacts --error-format=json
 
 #![crate_type = "lib"]
diff --git a/src/test/ui/json-options.rs b/src/test/ui/json-options.rs
index c871933f8824..8b6ba131eb00 100644
--- a/src/test/ui/json-options.rs
+++ b/src/test/ui/json-options.rs
@@ -1,4 +1,5 @@
 // build-pass
+// ignore-pass (different metadata emitted in different modes)
 // compile-flags: --json=diagnostic-short,artifacts --error-format=json
 
 #![crate_type = "lib"]