diff --git a/eng/pipelines/common/platform-matrix.yml b/eng/pipelines/common/platform-matrix.yml
index 21e0b2a1c20..7efeab730e0 100644
--- a/eng/pipelines/common/platform-matrix.yml
+++ b/eng/pipelines/common/platform-matrix.yml
@@ -18,8 +18,6 @@ parameters:
   # for the given platform and helixQueueGroup.
   helixQueuesTemplate: ''
   stagedBuild: false
-  # When set to false, suppresses reuse of OSX managed build artifacts (for pipelines without an OSX obj)
-  managedOsxBuild: true
   # When set to true, passes the 'platforms' value as a job parameter also named 'platforms'.
   # Handled as an opt-in parameter to avoid excessive yaml.
   passPlatforms: false
@@ -47,7 +45,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Linux
         crossrootfsDir: '/crossrootfs/arm'
         ${{ insert }}: ${{ parameters.jobParameters }}
 
@@ -71,7 +68,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Linux
         crossrootfsDir: '/crossrootfs/arm64'
         ${{ insert }}: ${{ parameters.jobParameters }}
 
@@ -100,11 +96,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        ${{ if ne(parameters.managedOsxBuild, true) }}:
-          managedTestBuildOsGroup: Linux
-          managedTestBuildOsSubgroup: _musl
-        ${{ if eq(parameters.managedOsxBuild, true) }}:
-          managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Linux musl arm64
@@ -128,7 +119,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Linux
         crossrootfsDir: '/crossrootfs/arm64'
         ${{ insert }}: ${{ parameters.jobParameters }}
 
@@ -152,10 +142,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        ${{ if ne(parameters.managedOsxBuild, true) }}:
-          managedTestBuildOsGroup: Linux
-        ${{ if eq(parameters.managedOsxBuild, true) }}:
-          managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # WebAssembly
@@ -305,7 +291,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # tvOS arm64
@@ -325,7 +310,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # iOS x64
@@ -345,7 +329,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # iOS arm
@@ -365,7 +348,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # iOS arm64
@@ -385,7 +367,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # macOS x64
@@ -405,7 +386,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: OSX
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Windows x64
@@ -425,7 +405,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Windows_NT
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Windows x86
@@ -445,7 +424,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Windows_NT
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Windows arm
@@ -464,7 +442,6 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Windows_NT
         ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Windows arm64
@@ -484,5 +461,4 @@ jobs:
         ${{ if eq(parameters.passPlatforms, true) }}:
           platforms: ${{ parameters.platforms }}
         helixQueueGroup: ${{ parameters.helixQueueGroup }}
-        managedTestBuildOsGroup: Windows_NT
         ${{ insert }}: ${{ parameters.jobParameters }}
diff --git a/eng/pipelines/common/templates/runtimes/build-test-job.yml b/eng/pipelines/common/templates/runtimes/build-test-job.yml
index 1c006271f7e..0b3382acbf7 100644
--- a/eng/pipelines/common/templates/runtimes/build-test-job.yml
+++ b/eng/pipelines/common/templates/runtimes/build-test-job.yml
@@ -39,8 +39,6 @@ jobs:
     archType: ${{ parameters.archType }}
     osGroup: ${{ parameters.osGroup }}
     osSubgroup: ${{ parameters.osSubgroup }}
-    managedTestBuildOsGroup: ${{ parameters.osGroup }}
-    managedTestBuildOsSubgroup: ${{ parameters.osSubgroup }}
     container: ${{ parameters.container }}
     testGroup: ${{ parameters.testGroup }}
     stagedBuild: ${{ parameters.stagedBuild }}
diff --git a/eng/pipelines/common/templates/runtimes/run-test-job.yml b/eng/pipelines/common/templates/runtimes/run-test-job.yml
index d52240be644..30c71037b52 100644
--- a/eng/pipelines/common/templates/runtimes/run-test-job.yml
+++ b/eng/pipelines/common/templates/runtimes/run-test-job.yml
@@ -3,8 +3,6 @@ parameters:
   archType: ''
   osGroup: ''
   osSubgroup: ''
-  managedTestBuildOsGroup: ''
-  managedTestBuildOsSubgroup: ''
   container: ''
   testGroup: ''
   crossrootfsDir: ''
@@ -40,8 +38,6 @@ jobs:
     archType: ${{ parameters.archType }}
     osGroup: ${{ parameters.osGroup }}
     osSubgroup: ${{ parameters.osSubgroup }}
-    managedTestBuildOsGroup: ${{ parameters.managedTestBuildOsGroup }}
-    managedTestBuildOsSubgroup: ${{ parameters.managedTestBuildOsSubgroup }}
     container: ${{ parameters.container }}
     testGroup: ${{ parameters.testGroup }}
     crossrootfsDir: ${{ parameters.crossrootfsDir }}
@@ -59,9 +55,9 @@ jobs:
     dependsOn:
     - ${{ if ne(parameters.corefxTests, true) }}:
       - ${{ if eq(parameters.testGroup, 'innerloop') }}:
-        - '${{ parameters.runtimeFlavor }}_common_test_build_p0_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_${{ parameters.archType }}_${{parameters.buildConfig }}'
+        - '${{ parameters.runtimeFlavor }}_common_test_build_p0_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_${{ parameters.archType }}_${{parameters.buildConfig }}'
       - ${{ if ne(parameters.testGroup, 'innerloop') }}:
-        - '${{ parameters.runtimeFlavor }}_common_test_build_p1_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_${{ parameters.archType }}_${{parameters.buildConfig }}'
+        - '${{ parameters.runtimeFlavor }}_common_test_build_p1_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_${{ parameters.archType }}_${{parameters.buildConfig }}'
       - ${{ if eq(parameters.testBuildPhased, true) }}:
         # Also depend on AnyOS AnyCPU tests
         - ${{ if eq(parameters.testGroup, 'innerloop') }}:
@@ -215,7 +211,7 @@ jobs:
           unpackFolder: '$(managedTestArtifactRootFolderPath)'
           artifactFileName: '$(managedTestArtifactName)$(archiveExtension)'
           artifactName: '$(managedTestArtifactName)'
-          displayName: 'managed test artifacts (built on ${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }})'
+          displayName: 'managed test artifacts (built on ${{ parameters.osGroup }}${{ parameters.osSubgroup }})'
 
 
     # Download product binaries directory
diff --git a/eng/pipelines/coreclr/gc-longrunning.yml b/eng/pipelines/coreclr/gc-longrunning.yml
index e706868dc49..9036ab9c7d9 100644
--- a/eng/pipelines/coreclr/gc-longrunning.yml
+++ b/eng/pipelines/coreclr/gc-longrunning.yml
@@ -52,7 +52,6 @@ jobs:
     - Windows_NT_arm64
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: gc-longrunning
       liveLibrariesBuildConfig: Release
diff --git a/eng/pipelines/coreclr/gcstress-extra.yml b/eng/pipelines/coreclr/gcstress-extra.yml
index aa995145cd9..850f918db99 100644
--- a/eng/pipelines/coreclr/gcstress-extra.yml
+++ b/eng/pipelines/coreclr/gcstress-extra.yml
@@ -21,7 +21,6 @@ jobs:
     jobTemplate: /eng/pipelines/common/build-coreclr-and-libraries-job.yml
     buildConfig: checked
     platformGroup: gcstress
-    managedOsxBuild: false
     jobParameters:
       testGroup: gcstress-extra
 
@@ -32,7 +31,6 @@ jobs:
     platformGroup: gcstress
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: gcstress-extra
       liveLibrariesBuildConfig: Release
diff --git a/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml b/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
index ac301435b09..31bedbe454e 100644
--- a/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
+++ b/eng/pipelines/coreclr/gcstress0x3-gcstress0xc.yml
@@ -31,7 +31,6 @@ jobs:
     platformGroup: gcstress
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: gcstress0x3-gcstress0xc
       liveLibrariesBuildConfig: Release
diff --git a/eng/pipelines/coreclr/jit-experimental.yml b/eng/pipelines/coreclr/jit-experimental.yml
index e49b0ce4ca5..7e40f0ea881 100644
--- a/eng/pipelines/coreclr/jit-experimental.yml
+++ b/eng/pipelines/coreclr/jit-experimental.yml
@@ -35,7 +35,6 @@ jobs:
     - Windows_NT_x64
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: jit-experimental
       liveLibrariesBuildConfig: Release
diff --git a/eng/pipelines/coreclr/jitstressregs-x86.yml b/eng/pipelines/coreclr/jitstressregs-x86.yml
index a859cd47d65..ca6c7be15e0 100644
--- a/eng/pipelines/coreclr/jitstressregs-x86.yml
+++ b/eng/pipelines/coreclr/jitstressregs-x86.yml
@@ -35,7 +35,6 @@ jobs:
     - Linux_x64
     - Windows_NT_x64
     - Windows_NT_x86
-    managedOsxBuild: false
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
     jobParameters:
diff --git a/eng/pipelines/coreclr/r2r-extra.yml b/eng/pipelines/coreclr/r2r-extra.yml
index dc26e649620..fa02cbc2c0f 100644
--- a/eng/pipelines/coreclr/r2r-extra.yml
+++ b/eng/pipelines/coreclr/r2r-extra.yml
@@ -31,7 +31,6 @@ jobs:
     platformGroup: gcstress # r2r-extra testGroup runs gcstress15 scenario
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: r2r-extra
       readyToRun: true
diff --git a/eng/pipelines/coreclr/r2r.yml b/eng/pipelines/coreclr/r2r.yml
index 04ef6d73c06..de7d29442cc 100644
--- a/eng/pipelines/coreclr/r2r.yml
+++ b/eng/pipelines/coreclr/r2r.yml
@@ -41,7 +41,6 @@ jobs:
     - Windows_NT_x86
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
-    managedOsxBuild: false
     jobParameters:
       testGroup: outerloop
       readyToRun: true
diff --git a/eng/pipelines/coreclr/runincontext.yml b/eng/pipelines/coreclr/runincontext.yml
index c7fd2541f61..24862930cf0 100644
--- a/eng/pipelines/coreclr/runincontext.yml
+++ b/eng/pipelines/coreclr/runincontext.yml
@@ -35,7 +35,6 @@ jobs:
     - Linux_x64
     - Windows_NT_x64
     - Windows_NT_x86
-    managedOsxBuild: false
     helixQueueGroup: ci
     helixQueuesTemplate: /eng/pipelines/coreclr/templates/helix-queues-setup.yml
     jobParameters:
diff --git a/eng/pipelines/coreclr/templates/test-job.yml b/eng/pipelines/coreclr/templates/test-job.yml
index 9c0cf47dd7f..8eb049d8e92 100644
--- a/eng/pipelines/coreclr/templates/test-job.yml
+++ b/eng/pipelines/coreclr/templates/test-job.yml
@@ -3,8 +3,6 @@ parameters:
   archType: ''
   osGroup: ''
   osSubgroup: ''
-  managedTestBuildOsGroup: ''
-  managedTestBuildOsSubgroup: ''
   container: ''
   testGroup: ''
   readyToRun: false
@@ -26,14 +24,14 @@ parameters:
 ### buildConfig and archType.
 
 jobs:
-- ${{ if and(ne(parameters.corefxTests, true), eq(parameters.osSubgroup, parameters.managedTestBuildOsSubgroup), eq(parameters.osGroup, parameters.managedTestBuildOsGroup)) }}:
+- ${{ if ne(parameters.corefxTests, true) }}:
   - template: /eng/pipelines/common/templates/runtimes/build-test-job.yml
     parameters:
       buildConfig: ${{ parameters.buildConfig }}
       liveLibrariesBuildConfig: ${{ parameters.liveLibrariesBuildConfig }}
       archType: ${{ parameters.archType }}
-      osGroup: ${{ parameters.managedTestBuildOsGroup }}
-      osSubgroup: ${{ parameters.managedTestBuildOsSubgroup }}
+      osGroup: ${{ parameters.osGroup }}
+      osSubgroup: ${{ parameters.osSubgroup }}
       container: ${{ parameters.container }}
       testGroup: ${{ parameters.testGroup }}
       displayNameArgs: ${{ parameters.displayNameArgs }}
@@ -49,8 +47,6 @@ jobs:
     archType: ${{ parameters.archType }}
     osGroup: ${{ parameters.osGroup }}
     osSubgroup: ${{ parameters.osSubgroup }}
-    managedTestBuildOsGroup: ${{ parameters.managedTestBuildOsGroup }}
-    managedTestBuildOsSubgroup: ${{ parameters.managedTestBuildOsSubgroup }}
     container: ${{ parameters.container }}
     testGroup: ${{ parameters.testGroup }}
     crossrootfsDir: ${{ parameters.crossrootfsDir }}
diff --git a/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml b/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
index 3034285857d..d1141bebf7d 100644
--- a/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
+++ b/eng/pipelines/coreclr/templates/xplat-pipeline-job.yml
@@ -3,8 +3,6 @@ parameters:
   archType: ''
   osGroup: ''
   osSubgroup: ''
-  managedTestBuildOsGroup: ''
-  managedTestBuildOsSubgroup: ''
   name: ''
   helixType: '(unspecified)'
   container: ''
@@ -54,11 +52,11 @@ jobs:
     variables:
     - ${{ if ne(parameters.testGroup, '') }}:
       - name: testArtifactRootName
-        value: ${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_${{ parameters.archType }}_${{ parameters.buildConfig }}_${{ parameters.testGroup }}
+        value: ${{ parameters.osGroup }}${{ parameters.osSubgroup }}_${{ parameters.archType }}_${{ parameters.buildConfig }}_${{ parameters.testGroup }}
 
     - ${{ if eq(parameters.testGroup, '') }}:
       - name: testArtifactRootName
-        value: ${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_${{ parameters.archType }}_${{ parameters.buildConfig }}
+        value: ${{ parameters.osGroup }}${{ parameters.osSubgroup }}_${{ parameters.archType }}_${{ parameters.buildConfig }}
 
     - name: coreClrRepoRoot
       value: '$(Build.SourcesDirectory)/src/coreclr'
@@ -90,7 +88,7 @@ jobs:
       value: 'CoreCLRManagedTestArtifacts_AnyOS_AnyCPU_$(buildConfig)'
 
     - name: managedTestArtifactName
-      value: 'CoreCLRManagedTestArtifacts_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_$(archType)_$(buildConfig)'
+      value: 'CoreCLRManagedTestArtifacts_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_$(archType)_$(buildConfig)'
 
     - name: managedTestArtifactRootFolderPath
       value: '$(binTestsPath)/$(osGroup).$(archType).$(buildConfigUpper)'
@@ -105,7 +103,7 @@ jobs:
       value: '$(Build.SourcesDirectory)/.packages/microsoft.net.sdk.il'
 
     - name: microsoftNetSdkIlArtifactName
-      value: 'MicrosoftNetSdkIlPackage_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_$(archType)_$(buildConfig)'
+      value: 'MicrosoftNetSdkIlPackage_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_$(archType)_$(buildConfig)'
 
     - name: priorityArg
       value: ''
diff --git a/eng/pipelines/mono/templates/xplat-pipeline-job.yml b/eng/pipelines/mono/templates/xplat-pipeline-job.yml
index 052b0f59fcd..18ac9203aef 100644
--- a/eng/pipelines/mono/templates/xplat-pipeline-job.yml
+++ b/eng/pipelines/mono/templates/xplat-pipeline-job.yml
@@ -70,13 +70,13 @@ jobs:
       value: '$(binTestsPath)/$(osGroup).$(archType).$(buildConfigUpper)'
 
     - name: managedTestArtifactName
-      value: 'CoreCLRManagedTestArtifacts_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_$(archType)_$(buildConfig)'
+      value: 'CoreCLRManagedTestArtifacts_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_$(archType)_$(buildConfig)'
 
     - name: microsoftNetSdkIlFolderPath
       value: '$(Build.SourcesDirectory)/.packages/microsoft.net.sdk.il'
 
     - name: microsoftNetSdkIlArtifactName
-      value: 'MicrosoftNetSdkIlPackage_${{ parameters.managedTestBuildOsGroup }}${{ parameters.managedTestBuildOsSubgroup }}_$(archType)_$(buildConfig)'
+      value: 'MicrosoftNetSdkIlPackage_${{ parameters.osGroup }}${{ parameters.osSubgroup }}_$(archType)_$(buildConfig)'
 
     - name: monoRepoRoot
       value: '$(Build.SourcesDirectory)/src/mono'