diff --git a/Cargo.toml b/Cargo.toml
index aab47a4..d32d81a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,5 +18,4 @@ dotenv = "0.15.0"
 chrono = "0.4.24"
 paho-mqtt = "0.12.1"
 serde = "1.0.162"
-serde_json = { version = "1.0.95" }
-influxdb = { version = "0.6.0", default-features = false, features = ["derive", "use-serde", "reqwest-client"] }
\ No newline at end of file
+serde_json = { version = "1.0.95" }
\ No newline at end of file
diff --git a/kairo-common/src/lib.rs b/kairo-common/src/lib.rs
index 44544a7..13f254b 100644
--- a/kairo-common/src/lib.rs
+++ b/kairo-common/src/lib.rs
@@ -5,17 +5,31 @@
 
 pub mod influx;
 
-pub mod helper;
+// random functions for mqtt 
+pub mod mqtt;
 pub mod unit_conversion;
 
+
+// Commonly used types across the services
 mod types {
-    pub mod mac;
+    pub mod mac; // deprecated for the time being.
     pub mod point;
 }
 pub type Point = types::point::Point;
 pub type MAC = types::mac::MAC;
 
-mod models;
+
+mod models {
+    pub mod antenna;
+    pub mod beacon_measure;
+    pub mod dynamic_device_status;
+    pub mod known_position;
+
+    #[derive(Debug, serde::Serialize, serde::Deserialize)]
+    pub struct DeviceReport {
+        pub data: Vec<crate::models::beacon_measure::BeaconMeasure>,
+    }
+}
 pub type Antenna = models::antenna::Antenna;
 pub type DeviceReport = models::DeviceReport;
 pub type KnownPosition = models::known_position::KnownPosition;
diff --git a/kairo-common/src/models/antenna.rs b/kairo-common/src/models/antenna.rs
index 8e3d43c..9d8faf8 100644
--- a/kairo-common/src/models/antenna.rs
+++ b/kairo-common/src/models/antenna.rs
@@ -6,8 +6,10 @@ use crate::{unit_conversion::UnitsConversion, Point};
 pub struct Antenna {
     pub id: String,
     pub tssi: f64,
-    pub coord: Point,
     pub comment: Option<String>,
+    pos_x: f64,
+    pos_y: f64,
+    pos_z: f64,
 }
 
 impl Antenna {
@@ -19,11 +21,17 @@ impl Antenna {
         Antenna {
             id: id.into(),
             comment: None,
-            coord,
+            pos_x: coord.x,
+            pos_y: coord.y,
+            pos_z: 0.0,
             tssi,
         }
     }
 
+    pub fn coord(&self) -> Point {
+        Point::new(self.pos_x, self.pos_y)
+    }
+
     pub fn get_rssi(&self, distance: f64) -> f64 {
         #[allow(non_snake_case)]
         // Free Space Path Loss
diff --git a/kairo-common/src/models/mod.rs b/kairo-common/src/models/mod.rs
deleted file mode 100644
index 86f6a64..0000000
--- a/kairo-common/src/models/mod.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-pub mod antenna;
-pub mod beacon_measure;
-pub mod dynamic_device_status;
-pub mod known_position;
-
-#[derive(Debug, serde::Serialize, serde::Deserialize)]
-pub struct DeviceReport {
-    pub data: Vec<crate::models::beacon_measure::BeaconMeasure>,
-}
diff --git a/kairo-common/src/helper.rs b/kairo-common/src/mqtt.rs
similarity index 100%
rename from kairo-common/src/helper.rs
rename to kairo-common/src/mqtt.rs
diff --git a/simulation-tools/Cargo.toml b/simulation-tools/Cargo.toml
index 0e4dd12..83dd80c 100644
--- a/simulation-tools/Cargo.toml
+++ b/simulation-tools/Cargo.toml
@@ -11,7 +11,6 @@ path = "src/nav_dev/main.rs"
 
 [dependencies]
 paho-mqtt = { workspace = true }
-influxdb = { workspace = true }
 tokio = { workspace = true }
 dotenv = { workspace = true }
 chrono = { workspace = true }
diff --git a/simulation-tools/src/nav_dev/error_report.rs b/simulation-tools/src/nav_dev/error_report.rs
index 2faf8c6..0f67bf6 100644
--- a/simulation-tools/src/nav_dev/error_report.rs
+++ b/simulation-tools/src/nav_dev/error_report.rs
@@ -1,5 +1,4 @@
 use chrono::{DateTime, Utc};
-use influxdb::InfluxDbWriteable;
 use serde::Serialize;
 use tokio::time;
 
@@ -7,7 +6,7 @@ use kairo_common::Point;
 
 use crate::Config;
 
-#[derive(Debug, Serialize, InfluxDbWriteable)]
+#[derive(Debug, Serialize)]
 pub struct Error {
     error: f64,
     speed: f64,
diff --git a/simulation-tools/src/nav_dev/main.rs b/simulation-tools/src/nav_dev/main.rs
index fb44024..ae26a79 100644
--- a/simulation-tools/src/nav_dev/main.rs
+++ b/simulation-tools/src/nav_dev/main.rs
@@ -3,7 +3,7 @@ use std::{thread, time};
 
 mod error_report;
 
-use kairo_common::helper::for_sync::{get_mqtt_cli, mqtt_pub};
+use kairo_common::mqtt::for_sync::{get_mqtt_cli, mqtt_pub};
 use kairo_common::{Antenna, BeaconMeasure, DeviceReport, Point};
 
 #[derive(Clone)]
@@ -47,7 +47,7 @@ async fn main() {
         let mut report = DeviceReport { data: vec![] };
 
         for ant in (antenna).iter() {
-            let d = ant.coord.distance_to(&position);
+            let d = ant.coord().distance_to(&position);
             let rssi = ant.get_rssi(d);
 
             let noise: f64 = noise_gen.sample(&mut rand::thread_rng());
diff --git a/xyz-engine/Cargo.toml b/xyz-engine/Cargo.toml
index 3769ad2..ad03d07 100644
--- a/xyz-engine/Cargo.toml
+++ b/xyz-engine/Cargo.toml
@@ -9,7 +9,6 @@ path = "test/all.rs"
 
 [dependencies]
 paho-mqtt = { workspace = true }
-influxdb = { workspace = true }
 tokio = { workspace = true }
 dotenv = { workspace = true }
 chrono = { workspace = true }
diff --git a/xyz-engine/src/main.rs b/xyz-engine/src/main.rs
index 982decd..4e08638 100644
--- a/xyz-engine/src/main.rs
+++ b/xyz-engine/src/main.rs
@@ -3,7 +3,7 @@ use futures::stream::StreamExt;
 mod handler;
 mod position_solver;
 
-use kairo_common::helper::for_async::{
+use kairo_common::mqtt::for_async::{
     get_mqtt_cli_and_stream, mqtt_cli_reconnect, mqtt_subscribe,
 };
 
diff --git a/xyz-engine/src/position_solver.rs b/xyz-engine/src/position_solver.rs
index 8bd6938..e0b19b7 100644
--- a/xyz-engine/src/position_solver.rs
+++ b/xyz-engine/src/position_solver.rs
@@ -34,7 +34,7 @@ pub async fn solve_for(device_id: MAC) -> Result<Point, ()> {
         .filter_map(|m| {
             if let Some(a) = antennas.get(&m.beacon_id) {
                 let kd = KnownDistance {
-                    point: a.coord,
+                    point: a.coord(),
                     dist: a.get_distance_with_W(m.rssi),
                 };
                 Some(kd)