diff --git a/TODO b/TODO
index 42ba4707..cbb7904f 100644
--- a/TODO
+++ b/TODO
@@ -14,6 +14,8 @@ Version 1.5.0:
     - Delay calculation.
     - Use common application time offset when setting start times.
     - Check 32/64 bit operations.
+* Fix unloading problem of ec_e100 driver.
+* Use ec_datagram_zero() where possible.
 * Fix arguments of reg_read.
 * Sign/Abs type for reg_ commands?
 * Number layout for reg_read.