diff --git a/.azure-pipelines/apiscan.yml b/.azure-pipelines/apiscan.yml
index 4b8d4b8..7115a88 100644
--- a/.azure-pipelines/apiscan.yml
+++ b/.azure-pipelines/apiscan.yml
@@ -81,7 +81,6 @@ extends:
                     build/**/*.pdb
                     .cache/SpeechSDK/**/*.pdb
                   TargetFolder: "$(Agent.TempDirectory)/apiscan"
-                  flattenFolders: true
                 displayName: Copy files for APIScan
                 condition: succeeded()