diff --git a/components/TARGET_PSA/TARGET_MBED_SPM/psa_defs.h b/components/TARGET_PSA/TARGET_MBED_SPM/psa_defs.h
index ba4b1926ae..c4d84bc3f5 100644
--- a/components/TARGET_PSA/TARGET_MBED_SPM/psa_defs.h
+++ b/components/TARGET_PSA/TARGET_MBED_SPM/psa_defs.h
@@ -77,7 +77,6 @@ extern "C" {
 
 typedef uint32_t psa_signal_t;
 typedef int32_t psa_handle_t;
-typedef psa_status_t error_t;
 
 /* -------------------------------------- Structs ------------------------------------ */