diff --git a/lib/servers.js b/lib/servers.js
index 0ad6dd6..919be31 100644
--- a/lib/servers.js
+++ b/lib/servers.js
@@ -171,13 +171,8 @@ class ServerRegistration {
     this._lastGraphDataPush = timestamp
 
     // Trim old graphPoints according to graphDuration
-    for (let i = 1; i < this.graphData.length; i++) {
-      // Find a break point where i - 1 is too old and i is new
-      if (timestamp - this.graphData[i - 1][0] > config.graphDuration && timestamp - this.graphData[i] <= config.graphDuration) {
-        this.graphData.splice(0, i)
-        break
-      }
-    }
+    const filterTimestamp = new Date().getTime() - config.graphDuration
+    this.graphData = this.graphData.filter(point => point[0] >= filterTimestamp)
 
     return true
   }