diff --git a/eng/pipelines/templates/steps/cmake-build.yml b/eng/pipelines/templates/steps/cmake-build.yml
index 14598ee105..b2a7d6d0a5 100644
--- a/eng/pipelines/templates/steps/cmake-build.yml
+++ b/eng/pipelines/templates/steps/cmake-build.yml
@@ -72,7 +72,6 @@ steps:
     displayName: cmake generate
     env:
       VCPKG_BINARY_SOURCES: $(VCPKG_BINARY_SOURCES_SECRET)
-      X_VCPKG_ASSET_SOURCES: $(X_VCPKG_ASSET_SOURCES_SECRET)
 
 # Core should build all cmake targets
   - ${{ if and(eq(parameters.Build, true), eq(parameters.ServiceDirectory, 'core')) }}: