diff --git a/services/logic/mgmt/2016-06-01/logic/CHANGELOG.md b/services/logic/mgmt/2016-06-01/logic/CHANGELOG.md
index 414b0a12af19..a1ecf841edb0 100644
--- a/services/logic/mgmt/2016-06-01/logic/CHANGELOG.md
+++ b/services/logic/mgmt/2016-06-01/logic/CHANGELOG.md
@@ -1,10 +1,2 @@
-# Change History
+# Unreleased
 
-## Additive Changes
-
-### New Funcs
-
-1. KeyVaultReference.MarshalJSON() ([]byte, error)
-1. ResourceReference.MarshalJSON() ([]byte, error)
-1. SubResource.MarshalJSON() ([]byte, error)
-1. WorkflowTriggerProperties.MarshalJSON() ([]byte, error)
diff --git a/services/logic/mgmt/2016-06-01/logic/_meta.json b/services/logic/mgmt/2016-06-01/logic/_meta.json
index 78a21f9ed008..0615ad25e270 100644
--- a/services/logic/mgmt/2016-06-01/logic/_meta.json
+++ b/services/logic/mgmt/2016-06-01/logic/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0f10a0ee7110d4ae7977157ac1803425d1dd850a",
   "readme": "/_/azure-rest-api-specs/specification/logic/resource-manager/readme.md",
   "tag": "package-2016-06",
   "use": "@microsoft.azure/autorest.go@2.1.183",
diff --git a/services/logic/mgmt/2019-05-01/logic/CHANGELOG.md b/services/logic/mgmt/2019-05-01/logic/CHANGELOG.md
index a5c7313295f6..a1ecf841edb0 100644
--- a/services/logic/mgmt/2019-05-01/logic/CHANGELOG.md
+++ b/services/logic/mgmt/2019-05-01/logic/CHANGELOG.md
@@ -1,8 +1,2 @@
-# Change History
+# Unreleased
 
-## Additive Changes
-
-### New Funcs
-
-1. SubResource.MarshalJSON() ([]byte, error)
-1. WorkflowTriggerProperties.MarshalJSON() ([]byte, error)
diff --git a/services/logic/mgmt/2019-05-01/logic/_meta.json b/services/logic/mgmt/2019-05-01/logic/_meta.json
index 6cf9abab29de..44d8f5dd5067 100644
--- a/services/logic/mgmt/2019-05-01/logic/_meta.json
+++ b/services/logic/mgmt/2019-05-01/logic/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0f10a0ee7110d4ae7977157ac1803425d1dd850a",
   "readme": "/_/azure-rest-api-specs/specification/logic/resource-manager/readme.md",
   "tag": "package-2019-05",
   "use": "@microsoft.azure/autorest.go@2.1.183",
diff --git a/services/preview/logic/mgmt/2015-02-01-preview/logic/CHANGELOG.md b/services/preview/logic/mgmt/2015-02-01-preview/logic/CHANGELOG.md
index c19570609a7f..a1ecf841edb0 100644
--- a/services/preview/logic/mgmt/2015-02-01-preview/logic/CHANGELOG.md
+++ b/services/preview/logic/mgmt/2015-02-01-preview/logic/CHANGELOG.md
@@ -1,11 +1,2 @@
-# Change History
+# Unreleased
 
-## Additive Changes
-
-### New Funcs
-
-1. WorkflowRunActionProperties.MarshalJSON() ([]byte, error)
-1. WorkflowRunTrigger.MarshalJSON() ([]byte, error)
-1. WorkflowSecretKeys.MarshalJSON() ([]byte, error)
-1. WorkflowTriggerHistoryProperties.MarshalJSON() ([]byte, error)
-1. WorkflowTriggerProperties.MarshalJSON() ([]byte, error)
diff --git a/services/preview/logic/mgmt/2015-02-01-preview/logic/_meta.json b/services/preview/logic/mgmt/2015-02-01-preview/logic/_meta.json
index 7f6c9b54911c..426d9c4163fd 100644
--- a/services/preview/logic/mgmt/2015-02-01-preview/logic/_meta.json
+++ b/services/preview/logic/mgmt/2015-02-01-preview/logic/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0f10a0ee7110d4ae7977157ac1803425d1dd850a",
   "readme": "/_/azure-rest-api-specs/specification/logic/resource-manager/readme.md",
   "tag": "package-2015-02-preview",
   "use": "@microsoft.azure/autorest.go@2.1.183",
diff --git a/services/preview/logic/mgmt/2015-08-01-preview/logic/CHANGELOG.md b/services/preview/logic/mgmt/2015-08-01-preview/logic/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/preview/logic/mgmt/2015-08-01-preview/logic/CHANGELOG.md
+++ b/services/preview/logic/mgmt/2015-08-01-preview/logic/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/preview/logic/mgmt/2015-08-01-preview/logic/_meta.json b/services/preview/logic/mgmt/2015-08-01-preview/logic/_meta.json
index fcff522214fc..f502edc5001f 100644
--- a/services/preview/logic/mgmt/2015-08-01-preview/logic/_meta.json
+++ b/services/preview/logic/mgmt/2015-08-01-preview/logic/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0f10a0ee7110d4ae7977157ac1803425d1dd850a",
   "readme": "/_/azure-rest-api-specs/specification/logic/resource-manager/readme.md",
   "tag": "package-2015-08-preview",
   "use": "@microsoft.azure/autorest.go@2.1.183",
diff --git a/services/preview/logic/mgmt/2018-07-01-preview/logic/CHANGELOG.md b/services/preview/logic/mgmt/2018-07-01-preview/logic/CHANGELOG.md
index a5c7313295f6..a1ecf841edb0 100644
--- a/services/preview/logic/mgmt/2018-07-01-preview/logic/CHANGELOG.md
+++ b/services/preview/logic/mgmt/2018-07-01-preview/logic/CHANGELOG.md
@@ -1,8 +1,2 @@
-# Change History
+# Unreleased
 
-## Additive Changes
-
-### New Funcs
-
-1. SubResource.MarshalJSON() ([]byte, error)
-1. WorkflowTriggerProperties.MarshalJSON() ([]byte, error)
diff --git a/services/preview/logic/mgmt/2018-07-01-preview/logic/_meta.json b/services/preview/logic/mgmt/2018-07-01-preview/logic/_meta.json
index efd795aad8b2..2641f2de727e 100644
--- a/services/preview/logic/mgmt/2018-07-01-preview/logic/_meta.json
+++ b/services/preview/logic/mgmt/2018-07-01-preview/logic/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0f10a0ee7110d4ae7977157ac1803425d1dd850a",
   "readme": "/_/azure-rest-api-specs/specification/logic/resource-manager/readme.md",
   "tag": "package-2018-07-preview",
   "use": "@microsoft.azure/autorest.go@2.1.183",