diff --git a/wolfcrypt/src/port/tropicsquare/tropic01.c b/wolfcrypt/src/port/tropicsquare/tropic01.c
index 8fa96906b4..7915711d4a 100644
--- a/wolfcrypt/src/port/tropicsquare/tropic01.c
+++ b/wolfcrypt/src/port/tropicsquare/tropic01.c
@@ -546,6 +546,9 @@ int Tropic01_Deinit(void)
         WOLFSSL_MSG("TROPIC01: Crypto device deinitialized successfully");
     }
 
+    ForceZero(sh0priv, sizeof(sh0priv));
+    ForceZero(sh0pub, sizeof(sh0pub));
+
     return 0;
 }