diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c
index ab4a107a0860dae85e813160519b29d708c7009b..b2b553651964c6cf51f4f46692945970d4d3957a 100644
--- a/drivers/crypto/stm32/stm32-cryp.c
+++ b/drivers/crypto/stm32/stm32-cryp.c
@@ -674,8 +674,6 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err)
 	else
 		crypto_finalize_skcipher_request(cryp->engine, cryp->req,
 						   err);
-
-	memset(cryp->ctx->key, 0, cryp->ctx->keylen);
 }
 
 static int stm32_cryp_cpu_start(struct stm32_cryp *cryp)