diff --git a/google/internal/externalaccount/oauth/clientauth.go b/google/internal/externalaccount/clientauth.go
similarity index 100%
rename from google/internal/externalaccount/oauth/clientauth.go
rename to google/internal/externalaccount/clientauth.go
diff --git a/google/internal/externalaccount/oauth/clientauth_test.go b/google/internal/externalaccount/clientauth_test.go
similarity index 100%
rename from google/internal/externalaccount/oauth/clientauth_test.go
rename to google/internal/externalaccount/clientauth_test.go
diff --git a/google/internal/externalaccount/oauth/err.go b/google/internal/externalaccount/err.go
similarity index 100%
rename from google/internal/externalaccount/oauth/err.go
rename to google/internal/externalaccount/err.go
diff --git a/google/internal/externalaccount/oauth/err_test.go b/google/internal/externalaccount/err_test.go
similarity index 100%
rename from google/internal/externalaccount/oauth/err_test.go
rename to google/internal/externalaccount/err_test.go