diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 59c6e9d4..12547a77 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -1723,7 +1723,6 @@ name = "telemetry_core"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "arrayvec",
  "bimap",
  "bincode",
  "bytes",
diff --git a/backend/common/src/node_types.rs b/backend/common/src/node_types.rs
index 4f408138..efc7001f 100644
--- a/backend/common/src/node_types.rs
+++ b/backend/common/src/node_types.rs
@@ -38,7 +38,7 @@ pub struct NodeDetails {
     pub validator: Option<Box<str>>,
     pub network_id: NetworkId,
     pub startup_time: Option<Box<str>>,
-    pub target_os: Option<Box<str>>,   //starts here
+    pub target_os: Option<Box<str>>, 
     pub target_arch: Option<Box<str>>,
     pub target_env: Option<Box<str>>,
     pub sysinfo: Option<NodeSysInfo>,
diff --git a/backend/telemetry_core/Cargo.toml b/backend/telemetry_core/Cargo.toml
index 552e4d4a..79485dcf 100644
--- a/backend/telemetry_core/Cargo.toml
+++ b/backend/telemetry_core/Cargo.toml
@@ -21,7 +21,6 @@ maxminddb = "0.23.0"
 num_cpus = "1.13.0"
 once_cell = "1.8.0"
 parking_lot = "0.12.1"
-arrayvec = { version = "0.7.1", features = ["serde"] }
 primitive-types = { version = "0.12.1", features = ["serde"] }
 rayon = "1.5.1"
 reqwest = { version = "0.11.4", features = ["json"] }
diff --git a/backend/telemetry_core/src/feed_message.rs b/backend/telemetry_core/src/feed_message.rs
index f4488eeb..017e59e2 100644
--- a/backend/telemetry_core/src/feed_message.rs
+++ b/backend/telemetry_core/src/feed_message.rs
@@ -17,9 +17,8 @@
 //! This module provides a way of encoding the various messages that we'll
 //! send to subscribed feeds (browsers).
 
-use std::collections::HashMap;
 
-use arrayvec::ArrayString;
+
 use serde::Serialize;
 
 use crate::state::Node;
@@ -223,15 +222,12 @@ impl FeedMessageWrite for AddedNode<'_> {
 #[derive(Serialize)]
 pub struct ChainStatsUpdate<'a>(pub &'a ChainStats);
 
-/// Ranking list out node details elements per node id and counts per elements
-/// `list`: List of node detail element per its count [( item, count )]
-/// `node_map`: A map 
+
 #[derive(Serialize, PartialEq, Eq, Default)]
 pub struct Ranking<K> {
     pub list: Vec<(K, u64)>,
     pub other: u64,
     pub unknown: u64,
-    pub node_map: HashMap<ArrayString<64>,K>
 }
 
 #[derive(Serialize, PartialEq, Eq, Default)]
diff --git a/backend/telemetry_core/src/state/chain.rs b/backend/telemetry_core/src/state/chain.rs
index 944a32b9..8e265a8b 100644
--- a/backend/telemetry_core/src/state/chain.rs
+++ b/backend/telemetry_core/src/state/chain.rs
@@ -227,9 +227,9 @@ impl Chain {
                     }
 
                     self.stats_collator
-                        .update_hwbench(node.details(),old_hwbench.as_ref(), CounterValue::Decrement);
+                        .update_hwbench(old_hwbench.as_ref(), CounterValue::Decrement);
                     self.stats_collator
-                        .update_hwbench(node.details(),node.hwbench(), CounterValue::Increment);
+                        .update_hwbench(node.hwbench(), CounterValue::Increment);
                 }
                 _ => {}
             }
diff --git a/backend/telemetry_core/src/state/chain_stats.rs b/backend/telemetry_core/src/state/chain_stats.rs
index 1a57c09e..74df55ea 100644
--- a/backend/telemetry_core/src/state/chain_stats.rs
+++ b/backend/telemetry_core/src/state/chain_stats.rs
@@ -16,7 +16,6 @@
 
 use super::counter::{Counter, CounterValue};
 use crate::feed_message::ChainStats;
-//use arrayvec::ArrayString;
 // These are the benchmark scores generated on our reference hardware.
 const REFERENCE_CPU_SCORE: u64 = 1028;
 const REFERENCE_MEMORY_SCORE: u64 = 14899;
@@ -159,17 +158,16 @@ impl ChainStatsCollator {
         hwbench: Option<&common::node_types::NodeHwBench>,
         op: CounterValue,
     ) {
-        self.version.modify(details.network_id,Some(&*details.version), op);
+        self.version.modify(Some(&*details.version), op);
 
         self.target_os
-            .modify(details.network_id,details.target_os.as_ref().map(|value| &**value), op);
+        .modify(details.target_os.as_ref().map(|value| &**value), op);
 
         self.target_arch
-            .modify(details.network_id,details.target_arch.as_ref().map(|value| &**value), op);
+        .modify(details.target_arch.as_ref().map(|value| &**value), op);
 
         let sysinfo = details.sysinfo.as_ref();
         self.cpu.modify(
-            details.network_id,
             sysinfo
                 .and_then(|sysinfo| sysinfo.cpu.as_ref())
                 .map(|value| &**value),
@@ -177,13 +175,12 @@ impl ChainStatsCollator {
         );
 
         let memory = sysinfo.and_then(|sysinfo| sysinfo.memory.map(bucket_memory));
-        self.memory.modify(details.network_id,memory.as_ref(), op);
+        self.memory.modify(memory.as_ref(), op);
 
         self.core_count
-            .modify(details.network_id,sysinfo.and_then(|sysinfo| sysinfo.core_count.as_ref()), op);
+        .modify(sysinfo.and_then(|sysinfo| sysinfo.core_count.as_ref()), op);
 
         self.linux_kernel.modify(
-            details.network_id,
             sysinfo
                 .and_then(|sysinfo| sysinfo.linux_kernel.as_ref())
                 .map(kernel_version_number),
@@ -191,7 +188,6 @@ impl ChainStatsCollator {
         );
 
         self.linux_distro.modify(
-            details.network_id,
             sysinfo
                 .and_then(|sysinfo| sysinfo.linux_distro.as_ref())
                 .map(|value| &**value),
@@ -199,28 +195,24 @@ impl ChainStatsCollator {
         );
 
         self.is_virtual_machine.modify(
-            details.network_id,
             sysinfo.and_then(|sysinfo| sysinfo.is_virtual_machine.as_ref()),
             op,
         );
 
         self.cpu_vendor.modify(
-            details.network_id,
             sysinfo.and_then(|sysinfo| sysinfo.cpu.as_ref().map(cpu_vendor)),
             op,
         );
 
-        self.update_hwbench(details,hwbench, op);
+        self.update_hwbench(hwbench, op);
     }
 
     pub fn update_hwbench(
         &mut self,
-        details: &common::node_types::NodeDetails,
         hwbench: Option<&common::node_types::NodeHwBench>,
         op: CounterValue,
     ) {
         self.cpu_hashrate_score.modify(
-            details.network_id,
             hwbench
                 .map(|hwbench| bucket_score(hwbench.cpu_hashrate_score, REFERENCE_CPU_SCORE))
                 .as_ref(),
@@ -228,7 +220,6 @@ impl ChainStatsCollator {
         );
 
         self.memory_memcpy_score.modify(
-            details.network_id,
             hwbench
                 .map(|hwbench| bucket_score(hwbench.memory_memcpy_score, REFERENCE_MEMORY_SCORE))
                 .as_ref(),
@@ -236,7 +227,6 @@ impl ChainStatsCollator {
         );
 
         self.disk_sequential_write_score.modify(
-            details.network_id,
             hwbench
                 .and_then(|hwbench| hwbench.disk_sequential_write_score)
                 .map(|score| bucket_score(score, REFERENCE_DISK_SEQUENTIAL_WRITE_SCORE))
@@ -245,7 +235,6 @@ impl ChainStatsCollator {
         );
 
         self.disk_random_write_score.modify(
-            details.network_id,
             hwbench
                 .and_then(|hwbench| hwbench.disk_random_write_score)
                 .map(|score| bucket_score(score, REFERENCE_DISK_RANDOM_WRITE_SCORE))
diff --git a/backend/telemetry_core/src/state/counter.rs b/backend/telemetry_core/src/state/counter.rs
index b8f5f946..b29e93ee 100644
--- a/backend/telemetry_core/src/state/counter.rs
+++ b/backend/telemetry_core/src/state/counter.rs
@@ -14,10 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-use arrayvec::ArrayString;
-
 use crate::feed_message::Ranking;
-use std::{collections::HashMap, /*str::FromStr*/};
+use std::collections::HashMap;
 
 
 /// A data structure which counts how many occurrences of a given key we've seen.
@@ -31,9 +29,6 @@ pub struct Counter<K> {
     /// The number of occurrences where the key is `None`.
     empty: u64,
 
-    /// The map of Node Id ( Network Id) to the node detail element
-    /// i.e {"123DE": "aarch64"}
-    node_map: HashMap<ArrayString<64>,K>
 }
 
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
@@ -48,7 +43,7 @@ where
 
 {
     /// Either adds or removes a single occurence of a given `key`.
-    pub fn modify<'a, Q>(&mut self,node_id: ArrayString<64>, key: Option<&'a Q>, op: CounterValue)
+    pub fn modify<'a, Q>(&mut self, key: Option<&'a Q>, op: CounterValue)
     where
         Q: ?Sized + std::hash::Hash + Eq,
         K: std::borrow::Borrow<Q>,
@@ -59,8 +54,6 @@ where
                 match op {
                     CounterValue::Increment => {
                         *entry += 1;
-                        // add the node Id and the value ( key ) to the node_map
-                        self.node_map.insert(node_id, key.to_owned());
     
                     }
                     CounterValue::Decrement => {
@@ -69,20 +62,15 @@ where
                             // Don't keep entries for which there are no hits.
                             self.map.remove(key);
                         }
-                        // remove the node Id and the value ( key ) to the node_map
-                        self.node_map.remove(&node_id);
                     }
                 }
             } else {
                 assert_eq!(op, CounterValue::Increment);
                 self.map.insert(key.to_owned(), 1);
-                // add the node Id and the value ( key ) to the node_map
-                self.node_map.insert(node_id, key.to_owned()); 
         
             }
             
         } else {
-            // The key is None, no need to update the map (nodeId -> key)
             match op {
                 CounterValue::Increment => {
                     self.empty += 1;
@@ -117,7 +105,6 @@ where
             list,
             other,
             unknown: self.empty,
-            node_map: self.node_map.clone(),
         }
     }
 
@@ -133,7 +120,6 @@ where
             list,
             other: 0,
             unknown: self.empty,
-            node_map: self.node_map.clone(),
         }
     }
 }
diff --git a/backend/telemetry_shard/src/json_message/mod.rs b/backend/telemetry_shard/src/json_message/mod.rs
index 8e9ac852..2b54cf88 100644
--- a/backend/telemetry_shard/src/json_message/mod.rs
+++ b/backend/telemetry_shard/src/json_message/mod.rs
@@ -19,5 +19,4 @@
 mod hash;
 mod node_message;
 
-//pub use hash::Hash;
 pub use node_message::*;
diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 750ec78e..96144827 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -72,7 +72,7 @@ export default class App extends React.Component {
         blockpropagation: true,
         blocklasttime: false,
         uptime: false,
-        version: true, //starts here
+        version: true, 
         target_os: true,
         target_arch: true, 
         core_count: true,
diff --git a/frontend/src/Connection.ts b/frontend/src/Connection.ts
index 54f58d1d..dc82061f 100644
--- a/frontend/src/Connection.ts
+++ b/frontend/src/Connection.ts
@@ -133,7 +133,7 @@ export class Connection {
     this.bindSocket();
   }
 
-  public subscribe(chain: Types.GenesisHash) { //It has subscribed to the telemetry core
+  public subscribe(chain: Types.GenesisHash) { 
     if (
       this.appState.subscribed != null &&
       this.appState.subscribed !== chain
diff --git a/frontend/src/common/feed.ts b/frontend/src/common/feed.ts
index f5f4909d..2ddc206b 100644
--- a/frontend/src/common/feed.ts
+++ b/frontend/src/common/feed.ts
@@ -99,7 +99,6 @@ interface AddedNodeMessage extends MessageBase {
     BlockDetails,
     Maybe<NodeLocation>,
     Maybe<Timestamp>,
-
   ];
 }
 
diff --git a/frontend/src/components/List/Row.css b/frontend/src/components/List/Row.css
index 5204ff67..5f437534 100644
--- a/frontend/src/components/List/Row.css
+++ b/frontend/src/components/List/Row.css
@@ -44,5 +44,5 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 }
 
 .Row:hover {
-  background-color: #1e1e1e;  /*remember to change to #1e1e1e*/
+  background-color: #1e1e1e;
 }
diff --git a/frontend/src/components/List/Row.tsx b/frontend/src/components/List/Row.tsx
index e6a482e2..09cded62 100644
--- a/frontend/src/components/List/Row.tsx
+++ b/frontend/src/components/List/Row.tsx
@@ -104,8 +104,6 @@ export class Row extends React.Component<RowProps, RowState> {
   public render() {
     const { node, columns } = this.props;
 
-  console.log('node details:',node );
-
 
     this.renderedChangeRef = node.changeRef;
 
diff --git a/frontend/src/state.ts b/frontend/src/state.ts
index 78da432f..6521bef8 100644
--- a/frontend/src/state.ts
+++ b/frontend/src/state.ts
@@ -291,8 +291,7 @@ export interface StateSettings {
   blockpropagation: boolean;
   blocklasttime: boolean;
   uptime: boolean;
-
-  version: boolean; //starts here
+  version: boolean; 
   target_os: boolean;
   target_arch: boolean;
   cpu: boolean;