diff --git a/flashchips.c b/flashchips.c
index b1af60a..4feabe8 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -178,7 +178,7 @@ struct flashchip flashchips[] = {
          .model_id    = AM_29F040B,
          .total_size    = 512,
          .page_size    = 64 * 1024,
-        .feature_bits    = FEATURE_ADDR_2AA | FEATURE_SHORT_RESET,
+        .feature_bits    = FEATURE_SHORT_RESET,
          .tested        = TEST_UNTESTED,
          .probe        = probe_jedec,
          .probe_timing    = TIMING_IGNORED, /* routine don't use