diff --git a/ompi/datatype/datatype_pack.c b/ompi/datatype/datatype_pack.c
index d189de3ad6..79d267775c 100644
--- a/ompi/datatype/datatype_pack.c
+++ b/ompi/datatype/datatype_pack.c
@@ -381,23 +381,6 @@ ompi_generic_simple_pack_function( ompi_convertor_t* pConvertor,
     *max_data = total_packed;
     *out_size = iov_count;
 
-#if 0
-    if( pConvertor->flags & CONVERTOR_WITH_CHECKSUM ) {
-        uint32_t ui1 = 0, ui2 = 0, csum = OPAL_CSUM_ZERO;
-        /**
-         * Check the checksum correctness.
-         */
-        for( iov_count = 0; iov_count < (*out_size); iov_count++ ) {
-            csum += opal_uicsum_partial( iov[iov_count].iov_base, iov[iov_count].iov_len,
-                                         &ui1, &ui2 );
-        }
-        if( csum != pConvertor->checksum ) {
-            opal_output( 0, "error in the pack function the checksum does not match\n"
-                         "(%d != %d)\n", csum, pConvertor->checksum );
-        }
-    }
-#endif
-
     if( pConvertor->bConverted == pConvertor->local_size ) {
         pConvertor->flags |= CONVERTOR_COMPLETED;
         return 1;