Index: libsmb/smb_signing.c
===================================================================
--- libsmb/smb_signing.c	(revision 5995)
+++ libsmb/smb_signing.c	(working copy)
@@ -255,7 +255,6 @@
 	const size_t offset_end_of_sig = (smb_ss_field + 8);
 	unsigned char sequence_buf[8];
 	struct MD5Context md5_ctx;
-	unsigned char key_buf[16];
 
 	/*
 	 * Firstly put the sequence number into the first 4 bytes.