diff --git a/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/CHANGELOG.md b/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/CHANGELOG.md
index 10f3ee60ca7d..a1ecf841edb0 100644
--- a/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/CHANGELOG.md
+++ b/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/CHANGELOG.md
@@ -1,8 +1,2 @@
-# Change History
+# Unreleased
 
-## Additive Changes
-
-### New Funcs
-
-1. ErrorDetails.MarshalJSON() ([]byte, error)
-1. OperationDisplay.MarshalJSON() ([]byte, error)
diff --git a/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/_meta.json b/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/_meta.json
index 1226912829c1..15712e0240bf 100644
--- a/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/_meta.json
+++ b/services/preview/iotspaces/mgmt/2017-10-01-preview/iotspaces/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "bc7da0d7ceb75041b9bc7e5aaf219e75bab6380f",
   "readme": "/_/azure-rest-api-specs/specification/iotspaces/resource-manager/readme.md",
   "tag": "package-2017-10-preview",
   "use": "@microsoft.azure/autorest.go@2.1.183",