diff --git a/.pipelines/templates/compliance/apiscan.yml b/.pipelines/templates/compliance/apiscan.yml
index 5809af8e28..b5a1569902 100644
--- a/.pipelines/templates/compliance/apiscan.yml
+++ b/.pipelines/templates/compliance/apiscan.yml
@@ -4,8 +4,6 @@
 jobs:
   - job: APIScan
     variables:
-      - name: runCodesignValidationInjection
-        value : false
       - name: NugetSecurityAnalysisWarningLevel
         value: none
       - name: ReleaseTagVar
diff --git a/.pipelines/templates/compliance/generateNotice.yml b/.pipelines/templates/compliance/generateNotice.yml
index 7de316e8b4..0a38ed8f8e 100644
--- a/.pipelines/templates/compliance/generateNotice.yml
+++ b/.pipelines/templates/compliance/generateNotice.yml
@@ -10,8 +10,6 @@ parameters:
 jobs:
 - job: generateNotice
   variables:
-  - name: runCodesignValidationInjection
-    value : false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: ob_outputDirectory
diff --git a/.pipelines/templates/linux-package-build.yml b/.pipelines/templates/linux-package-build.yml
index bcf332b377..ea49b9fea5 100644
--- a/.pipelines/templates/linux-package-build.yml
+++ b/.pipelines/templates/linux-package-build.yml
@@ -13,8 +13,6 @@ jobs:
     type: linux
 
   variables:
-    - name: runCodesignValidationInjection
-      value: false
     - name: nugetMultiFeedWarnLevel
       value: none
     - name: NugetSecurityAnalysisWarningLevel
diff --git a/.pipelines/templates/linux.yml b/.pipelines/templates/linux.yml
index aef0b53381..97b594830b 100644
--- a/.pipelines/templates/linux.yml
+++ b/.pipelines/templates/linux.yml
@@ -10,8 +10,6 @@ jobs:
   pool:
     type: linux
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO
@@ -139,8 +137,6 @@ jobs:
   pool:
     type: windows
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO
diff --git a/.pipelines/templates/mac-package-build.yml b/.pipelines/templates/mac-package-build.yml
index 4e7040d4ac..def866173a 100644
--- a/.pipelines/templates/mac-package-build.yml
+++ b/.pipelines/templates/mac-package-build.yml
@@ -15,8 +15,6 @@ jobs:
   variables:
     - name: HOMEBREW_NO_ANALYTICS
       value: 1
-    - name: runCodesignValidationInjection
-      value: false
     - name: nugetMultiFeedWarnLevel
       value: none
     - name: NugetSecurityAnalysisWarningLevel
diff --git a/.pipelines/templates/mac.yml b/.pipelines/templates/mac.yml
index ff4787b9bc..1699207c65 100644
--- a/.pipelines/templates/mac.yml
+++ b/.pipelines/templates/mac.yml
@@ -13,8 +13,6 @@ jobs:
   variables:
   - name: HOMEBREW_NO_ANALYTICS
     value: 1
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - group: DotNetPrivateBuildAccess
diff --git a/.pipelines/templates/nupkg.yml b/.pipelines/templates/nupkg.yml
index 3a2aa4f317..3558c94940 100644
--- a/.pipelines/templates/nupkg.yml
+++ b/.pipelines/templates/nupkg.yml
@@ -6,8 +6,6 @@ jobs:
     type: windows
 
   variables:
-    - name: runCodesignValidationInjection
-      value: false
     - name: nugetMultiFeedWarnLevel
       value: none
     - name: NugetSecurityAnalysisWarningLevel
diff --git a/.pipelines/templates/packaging/windows/package.yml b/.pipelines/templates/packaging/windows/package.yml
index 03673d61c7..1f03d65ab2 100644
--- a/.pipelines/templates/packaging/windows/package.yml
+++ b/.pipelines/templates/packaging/windows/package.yml
@@ -9,8 +9,6 @@ jobs:
     type: windows
 
   variables:
-    - name: runCodesignValidationInjection
-      value: false
     - name: ob_sdl_codeSignValidation_enabled
       value: false  # Skip signing validation in build-only stage
     - name: ob_signing_setup_enabled
diff --git a/.pipelines/templates/release-symbols.yml b/.pipelines/templates/release-symbols.yml
index 1023dcf525..a628f4d712 100644
--- a/.pipelines/templates/release-symbols.yml
+++ b/.pipelines/templates/release-symbols.yml
@@ -10,8 +10,6 @@ jobs:
   pool:
     type: windows
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO
diff --git a/.pipelines/templates/release-upload-buildinfo.yml b/.pipelines/templates/release-upload-buildinfo.yml
index c18c96fc64..e32272c630 100644
--- a/.pipelines/templates/release-upload-buildinfo.yml
+++ b/.pipelines/templates/release-upload-buildinfo.yml
@@ -14,8 +14,6 @@ jobs:
     demands:
     - ImageOverride -equals PSMMS2019-Secure
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO
diff --git a/.pipelines/templates/testartifacts.yml b/.pipelines/templates/testartifacts.yml
index 751c9d5a53..3a6bec4a85 100644
--- a/.pipelines/templates/testartifacts.yml
+++ b/.pipelines/templates/testartifacts.yml
@@ -1,8 +1,6 @@
 jobs:
 - job: build_testartifacts_win
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - group: DotNetPrivateBuildAccess
@@ -73,8 +71,6 @@ jobs:
 
 - job: build_testartifacts_nonwin
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - group: DotNetPrivateBuildAccess
diff --git a/.pipelines/templates/uploadToAzure.yml b/.pipelines/templates/uploadToAzure.yml
index 20842de81c..ce7f26131c 100644
--- a/.pipelines/templates/uploadToAzure.yml
+++ b/.pipelines/templates/uploadToAzure.yml
@@ -7,8 +7,6 @@ jobs:
   variables:
   - name: ob_sdl_sbom_enabled
     value: true
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO
diff --git a/.pipelines/templates/variable/release-shared.yml b/.pipelines/templates/variable/release-shared.yml
index 325f72224f..70d3dd2df9 100644
--- a/.pipelines/templates/variable/release-shared.yml
+++ b/.pipelines/templates/variable/release-shared.yml
@@ -17,8 +17,6 @@ variables:
     value: false
   - name: ob_sdl_sbom_enabled
     value: ${{ parameters.SBOM }}
-  - name: runCodesignValidationInjection
-    value: false
   - name: DOTNET_NOLOGO
     value: 1
   - group: 'mscodehub-code-read-akv'
diff --git a/.pipelines/templates/windows-hosted-build.yml b/.pipelines/templates/windows-hosted-build.yml
index 44b83ad20a..83c6b32cdf 100644
--- a/.pipelines/templates/windows-hosted-build.yml
+++ b/.pipelines/templates/windows-hosted-build.yml
@@ -10,8 +10,6 @@ jobs:
   pool:
     type: windows
   variables:
-  - name: runCodesignValidationInjection
-    value: false
   - name: NugetSecurityAnalysisWarningLevel
     value: none
   - name: DOTNET_NOLOGO