diff --git a/src/fsfw/tmtcpacket/pus/tc/TcPacketPus.h b/src/fsfw/tmtcpacket/pus/tc/TcPacketPus.h
index 206477ed..47173dad 100644
--- a/src/fsfw/tmtcpacket/pus/tc/TcPacketPus.h
+++ b/src/fsfw/tmtcpacket/pus/tc/TcPacketPus.h
@@ -49,17 +49,6 @@ class TcPacketPus : public TcPacketPusBase {
    */
   TcPacketPus(const uint8_t* setData);
 
-  /**
-   * Set the application data field by copying the provided data to the application data field.
-   * This function can also update the space packet length
-   * field. To only update the SP length field with empty application data, simply pass 0 as
-   * length of nullptr as data.
-   * @param data
-   * @param len
-   * @param updateSpLenField
-   */
-  void setApplicationData(const uint8_t* data, size_t len, bool updateSpLenField);
-
   // Base class overrides
   uint8_t getSecondaryHeaderFlag() const override;
   uint8_t getPusVersionNumber() const override;