diff --git a/flashchips.c b/flashchips.c
index bd07239..acb1d09 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -200,7 +200,7 @@
 		.id.model	= AMD_AM29F016D,
 		.total_size	= 2 * 1024,
 		.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_ZERO,
@@ -7334,7 +7334,7 @@
 		.id.model	= FUJITSU_MBM29F400BC,
 		.total_size	= 512,
 		.page_size	= 64 * 1024,
-		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_ADDR_2AA | FEATURE_EITHER_RESET,
+		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
 		.probe_timing	= 10, // FIXME: check datasheet. Using the 10 us from probe_m29f400bt
@@ -7369,7 +7369,7 @@
 		.id.model	= FUJITSU_MBM29F400TC,
 		.total_size	= 512,
 		.page_size	= 64 * 1024,
-		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_ADDR_AAA | FEATURE_EITHER_RESET,
+		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
 		.probe_timing	= 10, // FIXME: check datasheet. Using the 10 us from probe_m29f400bt
@@ -20802,7 +20802,7 @@
 		.id.model	= ST_M29F400BB,
 		.total_size	= 512,
 		.page_size	= 64 * 1024,
-		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_ADDR_2AA | FEATURE_EITHER_RESET,
+		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
 		.probe_timing	= 10, // FIXME: check datasheet. Using the 10 us from probe_m29f400bt
@@ -20838,7 +20838,7 @@
 		.id.model	= ST_M29F400BT,
 		.total_size	= 512,
 		.page_size	= 64 * 1024,
-		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_ADDR_2AA | FEATURE_EITHER_RESET,
+		.feature_bits	= FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_jedec,
 		.probe_timing	= 10, // FIXME: check datasheet. Using the 10 us from probe_m29f400bt