diff --git a/extensions/libxt_DELUDE.c b/extensions/libxt_DELUDE.c
index 42c8ef0..2586e7a 100644
--- a/extensions/libxt_DELUDE.c
+++ b/extensions/libxt_DELUDE.c
@@ -34,8 +34,6 @@ static struct xtables_target delude_tg_reg = {
 	.name          = "DELUDE",
 	.revision      = 0,
 	.family        = AF_INET,
-	.size          = XT_ALIGN(0),
-	.userspacesize = XT_ALIGN(0),
 	.help          = delude_tg_help,
 	.parse         = delude_tg_parse,
 	.final_check   = delude_tg_check,
diff --git a/extensions/libxt_ECHO.c b/extensions/libxt_ECHO.c
index 39b9183..abeb1d4 100644
--- a/extensions/libxt_ECHO.c
+++ b/extensions/libxt_ECHO.c
@@ -30,8 +30,6 @@ static struct xtables_target echo_tg_reg = {
 	.version       = XTABLES_VERSION,
 	.name          = "ECHO",
 	.family        = AF_UNSPEC,
-	.size          = XT_ALIGN(0),
-	.userspacesize = XT_ALIGN(0),
 	.help          = echo_tg_help,
 	.parse         = echo_tg_parse,
 	.final_check   = echo_tg_check,
diff --git a/extensions/libxt_STEAL.c b/extensions/libxt_STEAL.c
index 14772ab..275ad84 100644
--- a/extensions/libxt_STEAL.c
+++ b/extensions/libxt_STEAL.c
@@ -20,8 +20,6 @@ static struct xtables_target steal_tg_reg = {
 	.version       = XTABLES_VERSION,
 	.name          = "STEAL",
 	.family        = AF_UNSPEC,
-	.size          = XT_ALIGN(0),
-	.userspacesize = XT_ALIGN(0),
 	.help          = steal_tg_help,
 	.parse         = steal_tg_parse,
 	.final_check   = steal_tg_check,
diff --git a/extensions/libxt_SYSRQ.c b/extensions/libxt_SYSRQ.c
index b070fb8..815b084 100644
--- a/extensions/libxt_SYSRQ.c
+++ b/extensions/libxt_SYSRQ.c
@@ -26,8 +26,6 @@ static struct xtables_target sysrq_tg_reg = {
 	.name          = "SYSRQ",
 	.revision      = 1,
 	.family        = PF_UNSPEC,
-	.size          = XT_ALIGN(0),
-	.userspacesize = XT_ALIGN(0),
 	.help          = sysrq_tg_help,
 	.parse         = sysrq_tg_parse,
 	.final_check   = sysrq_tg_check,
diff --git a/extensions/libxt_TARPIT.c b/extensions/libxt_TARPIT.c
index 0e072b2..257b3ab 100644
--- a/extensions/libxt_TARPIT.c
+++ b/extensions/libxt_TARPIT.c
@@ -25,8 +25,6 @@ static struct xtables_target tarpit_tg_reg = {
 	.version       = XTABLES_VERSION,
 	.name          = "TARPIT",
 	.family        = AF_INET,
-	.size          = XT_ALIGN(0),
-	.userspacesize = XT_ALIGN(0),
 	.help          = tarpit_tg_help,
 	.parse         = tarpit_tg_parse,
 	.final_check   = tarpit_tg_check,
diff --git a/extensions/xt_ECHO.c b/extensions/xt_ECHO.c
index 456403c..56a7fa4 100644
--- a/extensions/xt_ECHO.c
+++ b/extensions/xt_ECHO.c
@@ -113,7 +113,6 @@ static struct xt_target echo_tg_reg __read_mostly = {
 	.proto      = IPPROTO_UDP,
 	.table      = "filter",
 	.target     = echo_tg4,
-	.targetsize = XT_ALIGN(0),
 	.me         = THIS_MODULE,
 };