diff --git a/testdata/p4_16_samples_outputs/action_param_serenum-first.p4 b/testdata/p4_16_samples_outputs/action_param_serenum-first.p4
deleted file mode 100644
index 0ab761b89b4..00000000000
--- a/testdata/p4_16_samples_outputs/action_param_serenum-first.p4
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <core.p4>
-
-enum bit<16> EthTypes {
-    IPv4 = 16w0x800,
-    ARP = 16w0x806,
-    RARP = 16w0x8035,
-    EtherTalk = 16w0x809b,
-    VLAN = 16w0x8100,
-    IPX = 16w0x8137,
-    IPv6 = 16w0x86dd
-}
-
-struct standard_metadata_t {
-    EthTypes instance_type;
-}
-
-control c(inout standard_metadata_t sm, in EthTypes eth) {
-    action a(in EthTypes type) {
-        sm.instance_type = type;
-    }
-    table t {
-        actions = {
-            a(eth);
-        }
-        default_action = a(eth);
-    }
-    apply {
-        t.apply();
-    }
-}
-
-control proto(inout standard_metadata_t sm, in EthTypes eth);
-package top(proto p);
-top(c()) main;
-
diff --git a/testdata/p4_16_samples_outputs/action_param_serenum-frontend.p4 b/testdata/p4_16_samples_outputs/action_param_serenum-frontend.p4
deleted file mode 100644
index 4fdb00dfb5b..00000000000
--- a/testdata/p4_16_samples_outputs/action_param_serenum-frontend.p4
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <core.p4>
-
-enum bit<16> EthTypes {
-    IPv4 = 16w0x800,
-    ARP = 16w0x806,
-    RARP = 16w0x8035,
-    EtherTalk = 16w0x809b,
-    VLAN = 16w0x8100,
-    IPX = 16w0x8137,
-    IPv6 = 16w0x86dd
-}
-
-struct standard_metadata_t {
-    EthTypes instance_type;
-}
-
-control c(inout standard_metadata_t sm, in EthTypes eth) {
-    @name("c.a") action a(in EthTypes type) {
-        sm.instance_type = type;
-    }
-    @name("c.t") table t_0 {
-        actions = {
-            a(eth);
-        }
-        default_action = a(eth);
-    }
-    apply {
-        t_0.apply();
-    }
-}
-
-control proto(inout standard_metadata_t sm, in EthTypes eth);
-package top(proto p);
-top(c()) main;
-
diff --git a/testdata/p4_16_samples_outputs/action_param_serenum-midend.p4 b/testdata/p4_16_samples_outputs/action_param_serenum-midend.p4
deleted file mode 100644
index 8c519eba52c..00000000000
--- a/testdata/p4_16_samples_outputs/action_param_serenum-midend.p4
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <core.p4>
-
-struct standard_metadata_t {
-    bit<16> instance_type;
-}
-
-control c(inout standard_metadata_t sm, in bit<16> eth) {
-    @name("c.a") action a() {
-        sm.instance_type = eth;
-    }
-    @name("c.t") table t_0 {
-        actions = {
-            a();
-        }
-        default_action = a();
-    }
-    apply {
-        t_0.apply();
-    }
-}
-
-control proto(inout standard_metadata_t sm, in bit<16> eth);
-package top(proto p);
-top(c()) main;
-