diff --git a/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.matter b/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.matter
index 3601067790f91f..fe20115e80b024 100644
--- a/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.matter
+++ b/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.matter
@@ -2147,10 +2147,10 @@ endpoint 1 {
   server cluster PowerSource {
     ram      attribute status default = 1;
     ram      attribute order default = 1;
-    ram      attribute description default = "Battery";
-    ram      attribute batVoltage default = 120;
-    ram      attribute batPercentRemaining default = 100;
-    ram      attribute batTimeRemaining default = 10;
+    ram      attribute description default = "Primary Battery";
+    ram      attribute batVoltage default = 4100;
+    ram      attribute batPercentRemaining default = 95;
+    ram      attribute batTimeRemaining default = 5184000;
     ram      attribute batChargeLevel default = 0;
     ram      attribute batReplacementNeeded default = 0;
     ram      attribute batReplaceability default = 1;
@@ -2170,7 +2170,6 @@ endpoint 1 {
     ram      attribute stateValue default = 0;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
-    callback attribute eventList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
diff --git a/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.zap b/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.zap
index 79cc092d9c8bf5..86eaad870da23c 100644
--- a/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.zap
+++ b/examples/chef/devices/rootnode_contactsensor_27f76aeaf5.zap
@@ -2696,7 +2696,7 @@
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "Battery",
+              "defaultValue": "Primary Battery",
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2712,7 +2712,7 @@
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "120",
+              "defaultValue": "4100",
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2728,7 +2728,7 @@
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "100",
+              "defaultValue": "95",
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2744,7 +2744,7 @@
               "storageOption": "RAM",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": "5184000",
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3016,22 +3016,6 @@
               "maxInterval": 65534,
               "reportableChange": 0
             },
-            {
-              "name": "EventList",
-              "code": 65530,
-              "mfgCode": null,
-              "side": "server",
-              "type": "array",
-              "included": 1,
-              "storageOption": "External",
-              "singleton": 0,
-              "bounded": 0,
-              "defaultValue": null,
-              "reportable": 1,
-              "minInterval": 1,
-              "maxInterval": 65534,
-              "reportableChange": 0
-            },
             {
               "name": "AttributeList",
               "code": 65531,
diff --git a/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.matter b/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.matter
index 5da927e98c7ebe..d91dc2f29f42f6 100644
--- a/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.matter
+++ b/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.matter
@@ -1813,7 +1813,6 @@ endpoint 1 {
     ram      attribute identifyType default = 0x0;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
-    callback attribute eventList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 2;
diff --git a/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.zap b/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.zap
index 812062381d9ba1..63c13dc7b2fd97 100644
--- a/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.zap
+++ b/examples/chef/devices/rootnode_contactsensor_lFAGG1bfRO.zap
@@ -2590,22 +2590,6 @@
               "maxInterval": 65534,
               "reportableChange": 0
             },
-            {
-              "name": "EventList",
-              "code": 65530,
-              "mfgCode": null,
-              "side": "server",
-              "type": "array",
-              "included": 1,
-              "storageOption": "External",
-              "singleton": 0,
-              "bounded": 0,
-              "defaultValue": null,
-              "reportable": 1,
-              "minInterval": 1,
-              "maxInterval": 65534,
-              "reportableChange": 0
-            },
             {
               "name": "AttributeList",
               "code": 65531,