diff --git a/specification/eventgrid/resource-manager/readme.md b/specification/eventgrid/resource-manager/readme.md
index 6a65c9ca615f..7063fd8e81bd 100644
--- a/specification/eventgrid/resource-manager/readme.md
+++ b/specification/eventgrid/resource-manager/readme.md
@@ -26,7 +26,7 @@ These are the global settings for the Azure EventGrid API.
 
 ``` yaml
 openapi-type: arm
-tag: package-2018-09-preview
+tag: package-2018-05-preview
 ```
 
 
@@ -159,22 +159,12 @@ go:
 
 ``` yaml $(go) && $(multiapi)
 batch:
-  - tag: package-2018-09-preview
   - tag: package-2018-05-preview
   - tag: package-2018-01
   - tag: package-2017-09-preview
   - tag: package-2017-06-preview
 ```
 
-### Tag: package-2018-09-preview and go
-
-These settings apply only when `--tag=package-2018-09-preview --go` is specified on the command line.
-Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
-
-``` yaml $(tag) == 'package-2018-09-preview' && $(go)
-output-folder: $(go-sdk-folder)/services/preview/eventgrid/mgmt/2018-09-15-preview/eventgrid
-```
-
 ### Tag: package-2018-05-preview and go
 
 These settings apply only when `--tag=package-2018-05-preview --go` is specified on the command line.
@@ -230,24 +220,10 @@ output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-eventgrid
 
 ``` yaml $(java) && $(multiapi)
 batch:
-  - tag: package-2018-09-preview
   - tag: package-2018-05-preview
   - tag: package-2018-01
 ```
 
-### Tag: package-2018-09-preview and java
-
-These settings apply only when `--tag=package-2018-09-preview --java` is specified on the command line.
-Please also specify `--azure-libraries-for-java=<path to the root directory of your azure-sdk-for-java clone>`.
-
-``` yaml $(tag) == 'package-2018-09-preview' && $(java) && $(multiapi)
-java:
-  namespace: com.microsoft.azure.management.eventgrid.v2018_09_15_preview
-  output-folder: $(azure-libraries-for-java-folder)/eventgrid/resource-manager/v2018_09_15_preview
-regenerate-manager: true
-generate-interface: true
-```
-
 ### Tag: package-2018-05-preview and java
 
 These settings apply only when `--tag=package-2018-05-preview --java` is specified on the command line.
diff --git a/specification/eventgrid/resource-manager/readme.ruby.md b/specification/eventgrid/resource-manager/readme.ruby.md
index 172f6b2f92d6..e71ecf40468d 100644
--- a/specification/eventgrid/resource-manager/readme.ruby.md
+++ b/specification/eventgrid/resource-manager/readme.ruby.md
@@ -12,24 +12,12 @@ azure-arm: true
 
 ``` yaml $(ruby) && $(multiapi)
 batch:
-  - tag: package-2018-09-preview
   - tag: package-2018-05-preview
   - tag: package-2018-01
   - tag: package-2017-09-preview
   - tag: package-2017-06-preview
 ```
 
-### Tag: package-2018-09-preview and ruby
-
-These settings apply only when `--tag=package-2018-09-preview --ruby` is specified on the command line.
-Please also specify `--ruby-sdks-folder=<path to the root directory of your azure-sdk-for-ruby clone>`.
-
-``` yaml $(tag) == 'package-2018-09-preview' && $(ruby)
-namespace: "Azure::EventGrid::Mgmt::V2018_09_15_preview"
-output-folder: $(ruby-sdks-folder)/management/azure_mgmt_event_grid/lib
-```
-
-
 ### Tag: package-2018-05-preview and ruby
 
 These settings apply only when `--tag=package-2018-05-preview --ruby` is specified on the command line.