diff --git a/infra/main.bicep b/infra/main.bicep
index 82cd40d..d16a76c 100644
--- a/infra/main.bicep
+++ b/infra/main.bicep
@@ -12,9 +12,6 @@ param location string
 param mcpTodoServerAppExists bool
 param mcpTodoClientAppExists bool
 
-@description('Id of the user or app to assign application roles')
-param principalId string
-
 @description('Whether to use the built-in login feature for the application or not')
 param useLogin bool = true
 
@@ -48,7 +45,6 @@ module resources 'resources.bicep' = {
     environmentName: environmentName
     location: location
     tags: tags
-    principalId: principalId
     mcpTodoServerAppExists: mcpTodoServerAppExists
     mcpTodoClientAppExists: mcpTodoClientAppExists
     useLogin: useLogin
diff --git a/infra/resources.bicep b/infra/resources.bicep
index 1ebd717..ff47149 100644
--- a/infra/resources.bicep
+++ b/infra/resources.bicep
@@ -10,9 +10,6 @@ param tags object = {}
 param mcpTodoClientAppExists bool
 param mcpTodoServerAppExists bool
 
-@description('Id of the user or app to assign application roles')
-param principalId string
-
 @description('Whether to use the built-in login feature for the application or not')
 param useLogin bool = true