diff --git a/include/NTPClient.h b/include/NTPClient.h
deleted file mode 100644
index d174b3c..0000000
--- a/include/NTPClient.h
+++ /dev/null
@@ -1,127 +0,0 @@
-#pragma once
-
-#include "Arduino.h"
-
-#include <Udp.h>
-
-#define SEVENZYYEARS 2208988800UL
-#define FRACTIONSPERMILLI (4294967UL)
-#define NTP_PACKET_SIZE 48
-#define NTP_DEFAULT_LOCAL_PORT 1337
-
-class NTPClient;
-
-typedef void (*NTPUpdateCallbackFunction)(NTPClient* c);
-
-class NTPClient {
-  private:
-    UDP*          _udp;
-    bool          _udpSetup       = false;
-
-    const char*   _poolServerName = "time.nist.gov"; // Default time server
-    int           _port           = NTP_DEFAULT_LOCAL_PORT;
-    int           _timeOffset     = 0;
-    bool          _timeValid      = false;
-
-    unsigned int  _updateInterval = 60000;  // In ms
-    unsigned int  _retryInterval  = 1000;   // In ms
-
-    unsigned long _currentEpoc    = 0;      // In s
-    unsigned long _currentFraction = 0;     // In 1/(2^32) s
-    unsigned long _lastUpdate     = 0;      // In ms
-    unsigned long _lastRequest    = 0;      // IN ms
-
-    byte          _packetBuffer[NTP_PACKET_SIZE];
-
-    NTPUpdateCallbackFunction _updateCallback = NULL;
-
-    void          sendNTPPacket();
-    bool          checkResponse();
-
-  public:
-    NTPClient(UDP& udp);
-    NTPClient(UDP& udp, int timeOffset);
-    NTPClient(UDP& udp, const char* poolServerName);
-    NTPClient(UDP& udp, const char* poolServerName, int timeOffset);
-    NTPClient(UDP& udp, const char* poolServerName, int timeOffset, int updateInterval);
-
-    /**
-     * Starts the underlying UDP client with the default local port
-     */
-    void begin();
-
-    bool getTimeValid();
-
-    /**
-     * Starts the underlying UDP client with the specified local port
-     */
-    void begin(int port);
-
-    /**
-     * This should be called in the main loop of your application. By default an update from the NTP Server is only
-     * made every 60 seconds. This can be configured in the NTPClient constructor.
-     *
-     * @return true on success, false on failure
-     */
-    bool update();
-
-    /**
-     * Has the time ever been sucessfully updated
-     *
-     */
-    bool updated();
-
-    /**
-     * Register a callback function for when the time gets updated
-     *
-     */
-    void setUpdateCallback(NTPUpdateCallbackFunction f);
-
-    /**
-     * This will force the update from the NTP Server.
-     * This can block for a full second
-     * @return true on success, false on failure
-     */
-    bool forceUpdate();
-
-    int getDay();
-    int getHours();
-    int getMinutes();
-    int getSeconds();
-
-    /**
-     * Changes the time offset. Useful for changing timezones dynamically
-     */
-    void setTimeOffset(int timeOffset);
-
-    /**
-     * Set the update interval to another frequency. E.g. useful when the
-     * timeOffset should not be set in the constructor
-     */
-    void setUpdateInterval(int updateInterval);
-
-    /**
-     * Set the retry interval to another frequency in ms
-     */
-    void setRetryInterval(int retryInterval);
-
-    /**
-     * @return time formatted like `hh:mm:ss`
-     */
-    String getFormattedTime();
-
-    /**
-     * @return time in seconds since Jan. 1, 1970
-     */
-    unsigned long getEpochTime();
-
-    /**
-     * @return time in milliseconds since Jan. 1, 1970
-     */
-    unsigned long long getEpochMillis();
-
-    /**
-     * Stops the underlying UDP client
-     */
-    void end();
-};
diff --git a/include/ntp.h b/include/ntp.h
index 9fbd83f..a61c97a 100644
--- a/include/ntp.h
+++ b/include/ntp.h
@@ -1,10 +1,9 @@
-#ifndef ntp_H
-#define ntp_H
+#pragma once
 
-#include "NTPClient.h"
+#include <NTPClient.h>
 #include <WiFiUdp.h>
 #include "config.h"
 
 extern NTPClient ntpClient;
-
-#endif
+void updateCallback(NTPClient* c);
+void ntp_setup();
diff --git a/src/ntp.cpp b/src/ntp.cpp
index aed58dd..35e2593 100644
--- a/src/ntp.cpp
+++ b/src/ntp.cpp
@@ -1,4 +1,13 @@
-#include "ntp.h"
+#include <ntp.h>
+#include "my_fastled.h"
+
+void updateCallback(NTPClient* c) {
+	random16_add_entropy(c->getEpochMillis() & 0xFFFF);
+}
 
 WiFiUDP ntpUDP;
 NTPClient ntpClient(ntpUDP, NTP_SERVER, NTP_OFFSET, NTP_INTERVAL);
+
+void ntp_setup() {
+	ntpClient.setUpdateCallback(updateCallback);
+}