diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md b/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/_meta.json b/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/_meta.json
index 9cdc22444980..ead66594c942 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/_meta.json
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2018-02-01-preview/virtualmachineimagebuilder/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "1799f5eecfe8aef6b3dcf3a192a2ec56332b39c9",
   "readme": "/_/azure-rest-api-specs/specification/imagebuilder/resource-manager/readme.md",
   "tag": "package-2018-02",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md b/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/_meta.json b/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/_meta.json
index fe05b82c534a..f545c0c59b23 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/_meta.json
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2019-02-01-preview/virtualmachineimagebuilder/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "1799f5eecfe8aef6b3dcf3a192a2ec56332b39c9",
   "readme": "/_/azure-rest-api-specs/specification/imagebuilder/resource-manager/readme.md",
   "tag": "package-2019-02",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/CHANGELOG.md b/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/CHANGELOG.md
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/_meta.json b/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/_meta.json
index 6a66f8db3fb9..b2afc70809c5 100644
--- a/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/_meta.json
+++ b/services/preview/virtualmachineimagebuilder/mgmt/2019-05-01-preview/virtualmachineimagebuilder/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "1799f5eecfe8aef6b3dcf3a192a2ec56332b39c9",
   "readme": "/_/azure-rest-api-specs/specification/imagebuilder/resource-manager/readme.md",
   "tag": "package-preview-2019-05",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/CHANGELOG.md b/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/CHANGELOG.md
+++ b/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/_meta.json b/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/_meta.json
index e295738a159f..ca6151d59764 100644
--- a/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/_meta.json
+++ b/services/virtualmachineimagebuilder/mgmt/2020-02-14/virtualmachineimagebuilder/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c5135f8325eaf79be7b137cae363bdcba028c17",
+  "commit": "1799f5eecfe8aef6b3dcf3a192a2ec56332b39c9",
   "readme": "/_/azure-rest-api-specs/specification/imagebuilder/resource-manager/readme.md",
   "tag": "package-2020-02",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/CHANGELOG.md b/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/CHANGELOG.md
+++ b/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/_meta.json b/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/_meta.json
index c2cd928a7d34..6b1855fc39ea 100644
--- a/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/_meta.json
+++ b/services/virtualmachineimagebuilder/mgmt/2021-10-01/virtualmachineimagebuilder/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "fe0ddc1279ffbfc3b971ba46d4c62ed597b571ae",
+  "commit": "1799f5eecfe8aef6b3dcf3a192a2ec56332b39c9",
   "readme": "/_/azure-rest-api-specs/specification/imagebuilder/resource-manager/readme.md",
   "tag": "package-2021-10",
   "use": "@microsoft.azure/autorest.go@2.1.187",