diff --git a/library/havege.c b/library/havege.c
index 7623bc0..2b75ef7 100644
--- a/library/havege.c
+++ b/library/havege.c
@@ -174,6 +174,8 @@
     PTX  = U1 = 0;
     PTY  = U2 = 0;
 
+    (void)PTX;
+
     memset( RES, 0, sizeof( RES ) );
 
     while( n < MBEDTLS_HAVEGE_COLLECT_SIZE * 4 )
diff --git a/library/rsa.c b/library/rsa.c
old mode 100644
new mode 100755
index 79f86c3..e26d0df
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -804,12 +804,7 @@
     int ret;
     size_t ilen, pad_count = 0, i;
     unsigned char *p, bad, pad_done = 0;
-#if defined(__clang_analyzer__)
-    /* Shut up Clang, mbedtls_rsa_public/private writes to this */
-    unsigned char buf[MBEDTLS_MPI_MAX_SIZE] = { };
-#else
     unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
-#endif
 
     if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V15 )
         return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
@@ -1193,12 +1188,7 @@
     size_t slen, msb;
     const mbedtls_md_info_t *md_info;
     mbedtls_md_context_t md_ctx;
-#if defined(__clang_analyzer__)
-    /* Shut up Clang, mbedtls_rsa_public/private writes to this */
-    unsigned char buf[MBEDTLS_MPI_MAX_SIZE] = { };
-#else
     unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
-#endif
 
     if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V21 )
         return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
@@ -1340,12 +1330,7 @@
     mbedtls_md_type_t msg_md_alg;
     const mbedtls_md_info_t *md_info;
     mbedtls_asn1_buf oid;
-#if defined(__clang_analyzer__)
-    /* Shut up Clang, mbedtls_rsa_public/private writes to this */
-    unsigned char buf[MBEDTLS_MPI_MAX_SIZE] = { };
-#else
     unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
-#endif
 
     if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V15 )
         return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );