diff --git a/src/mainboard/google/kahlee/Kconfig b/src/mainboard/google/kahlee/Kconfig
index 1c466256a5..921f1be69a 100644
--- a/src/mainboard/google/kahlee/Kconfig
+++ b/src/mainboard/google/kahlee/Kconfig
@@ -141,4 +141,8 @@ config OEM_BIN_FILE
 	depends on USE_OEM_BIN
 	default ""
 
+# Don't use AMD's Secure OS
+config USE_PSPSECUREOS
+	def_bool n
+
 endif # BOARD_GOOGLE_BASEBOARD_KAHLEE