diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index f372684..f1da438 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -174,7 +174,7 @@
     unsigned char der_buffer[4096];
     char buf[1024];
     size_t pem_size, der_size = sizeof(der_buffer);
-    int i, j, n;
+    int i;
     char *p, *q;
 
     /*
@@ -201,13 +201,6 @@
             goto usage;
         *q++ = '\0';
 
-        n = strlen( p );
-        for( j = 0; j < n; j++ )
-        {
-            if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
-                argv[i][j] |= 0x20;
-        }
-
         if( strcmp( p, "filename" ) == 0 )
             opt.filename = q;
         else if( strcmp( p, "output_file" ) == 0 )