diff --git a/dump/dump.c b/dump/dump.c
index ec2cfcf..1c304ca 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -1688,26 +1688,6 @@
     }
 }
 
-static int validate_start_block(DumpState *s)
-{
-    GuestPhysBlock *block;
-
-    if (!dump_has_filter(s)) {
-        return 0;
-    }
-
-    QTAILQ_FOREACH(block, &s->guest_phys_blocks.head, next) {
-        /* This block is out of the range */
-        if (block->target_start >= s->filter_area_begin + s->filter_area_length ||
-            block->target_end <= s->filter_area_begin) {
-            continue;
-        }
-        return 0;
-   }
-
-    return -1;
-}
-
 static void get_max_mapnr(DumpState *s)
 {
     GuestPhysBlock *last_block;
@@ -1857,12 +1837,6 @@
         goto cleanup;
     }
 
-    /* Is the filter filtering everything? */
-    if (validate_start_block(s) == -1) {
-        error_setg(errp, QERR_INVALID_PARAMETER, "begin");
-        goto cleanup;
-    }
-
     /* get dump info: endian, class and architecture.
      * If the target architecture is not supported, cpu_get_dump_info() will
      * return -1.