diff --git a/eng/pipelines/coreclr/crossgen2-composite.yml b/eng/pipelines/coreclr/crossgen2-composite.yml
index 23bb12d4af4d8f..493dcf1a3cdd8d 100644
--- a/eng/pipelines/coreclr/crossgen2-composite.yml
+++ b/eng/pipelines/coreclr/crossgen2-composite.yml
@@ -1,13 +1,5 @@
 trigger: none
 
-schedules:
-- cron: "0 6 * * *"
-  displayName: Mon through Sun at 10:00 PM (UTC-8:00)
-  branches:
-    include:
-    - main
-  always: true
-
 variables:
   - template: /eng/pipelines/common/variables.yml
   - template: /eng/pipelines/helix-platforms.yml
diff --git a/eng/pipelines/coreclr/crossgen2-outerloop.yml b/eng/pipelines/coreclr/crossgen2-outerloop.yml
index eabaa7f34d5add..9dd5e7ec191c44 100644
--- a/eng/pipelines/coreclr/crossgen2-outerloop.yml
+++ b/eng/pipelines/coreclr/crossgen2-outerloop.yml
@@ -66,10 +66,12 @@ extends:
           helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
           buildConfig: checked
           platforms:
+          - linux_arm
           - linux_x64
           - linux_arm64
           - osx_arm64
           - osx_x64
+          - windows_x86
           - windows_x64
           - windows_arm64
           jobParameters:
@@ -80,6 +82,24 @@ extends:
             liveLibrariesBuildConfig: Release
             unifiedArtifactsName: Checked_CoreCLR_$(osGroup)$(osSubgroup)_$(archType)_$(_BuildConfig)
 
+      # Composite mode with large version bubble (inputbubble)
+      - template: /eng/pipelines/common/platform-matrix.yml
+        parameters:
+          jobTemplate: /eng/pipelines/common/templates/runtimes/run-test-job.yml
+          helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
+          buildConfig: checked
+          platforms:
+          - linux_x64
+          - windows_x64
+          jobParameters:
+            testGroup: outerloop
+            readyToRun: true
+            compositeBuildMode: true
+            largeVersionBubble: true
+            displayNameArgs: R2R_Composite_LargeVersionBubble
+            liveLibrariesBuildConfig: Release
+            unifiedArtifactsName: Checked_CoreCLR_$(osGroup)$(osSubgroup)_$(archType)_$(_BuildConfig)
+
       # Outerloop testing in non-composite mode
       - template: /eng/pipelines/common/platform-matrix.yml
         parameters:
diff --git a/eng/pipelines/coreclr/r2r.yml b/eng/pipelines/coreclr/r2r.yml
deleted file mode 100644
index 8ed90b3ddfec1e..00000000000000
--- a/eng/pipelines/coreclr/r2r.yml
+++ /dev/null
@@ -1,80 +0,0 @@
-trigger: none
-
-schedules:
-- cron: "0 5 * * *"
-  displayName: Mon through Sun at 9:00 PM (UTC-8:00)
-  branches:
-    include:
-    - main
-  always: true
-
-variables:
-  - template: /eng/pipelines/common/variables.yml
-  - template: /eng/pipelines/helix-platforms.yml
-
-extends:
-  template:  /eng/pipelines/common/templates/pipeline-with-resources.yml
-  parameters:
-    stages:
-    - stage: Build
-      jobs:
-
-      - template: /eng/pipelines/common/platform-matrix.yml
-        parameters:
-          jobTemplate: /eng/pipelines/common/global-build-job.yml
-          buildConfig: checked
-          platforms:
-          - linux_arm
-          - linux_arm64
-          - linux_x64
-          - osx_arm64
-          - windows_arm64
-          - windows_x64
-          - windows_x86
-          jobParameters:
-            buildArgs: -s clr+libs -c $(_BuildConfig) -lc Release
-            postBuildSteps:
-              - template: /eng/pipelines/coreclr/templates/build-native-test-assets-step.yml
-              - template: /eng/pipelines/common/upload-artifact-step.yml
-                parameters:
-                  rootFolder: $(Build.SourcesDirectory)/artifacts/bin
-                  includeRootFolder: false
-                  archiveType: $(archiveType)
-                  archiveExtension: $(archiveExtension)
-                  tarCompression: $(tarCompression)
-                  artifactName: BuildArtifacts_$(osGroup)$(osSubgroup)_$(archType)_$(_BuildConfig)
-                  displayName: Build Assets
-            extraVariablesTemplates:
-              - template: /eng/pipelines/common/templates/runtimes/native-test-assets-variables.yml
-                parameters:
-                  testGroup: outerloop
-
-      - template: /eng/pipelines/common/platform-matrix.yml
-        parameters:
-          jobTemplate: /eng/pipelines/common/templates/runtimes/build-test-job.yml
-          buildConfig: checked
-          platforms:
-          - CoreClrTestBuildHost # Either osx_x64 or linux_x64
-          jobParameters:
-            testGroup: outerloop
-
-      - template: /eng/pipelines/common/platform-matrix.yml
-        parameters:
-          jobTemplate: /eng/pipelines/common/templates/runtimes/run-test-job.yml
-          buildConfig: checked
-          platforms:
-          - linux_arm
-          - linux_arm64
-          - linux_x64
-          - osx_arm64
-          - windows_arm64
-          - windows_x64
-          - windows_x86
-          helixQueueGroup: ci
-          helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-          jobParameters:
-            testGroup: outerloop
-            readyToRun: true
-            displayNameArgs: R2R
-            liveLibrariesBuildConfig: Release
-            unifiedArtifactsName: BuildArtifacts_$(osGroup)$(osSubgroup)_$(archType)_$(_BuildConfig)