diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index 9f478f2..1f9d628 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -66,7 +66,7 @@
     int ret = 0;
     unsigned char buf[100000];
     x509_csr csr;
-    int i, j, n;
+    int i;
     char *p, *q;
 
     /*
@@ -85,14 +85,6 @@
 
     for( i = 1; i < argc; i++ )
     {
-        n = strlen( argv[i] );
-
-        for( j = 0; j < n; j++ )
-        {
-            if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
-                argv[i][j] |= 0x20;
-        }
-
         p = argv[i];
         if( ( q = strchr( p, '=' ) ) == NULL )
             goto usage;