diff --git a/emulation/peripherals/BetrustedEcI2C.cs b/emulation/peripherals/BetrustedEcI2C.cs
index 2862b3a37..c3e719c1b 100644
--- a/emulation/peripherals/BetrustedEcI2C.cs
+++ b/emulation/peripherals/BetrustedEcI2C.cs
@@ -171,7 +171,7 @@ namespace Antmicro.Renode.Peripherals.I2C.Betrusted
         private void FinishTransaction()
         {
             // this.Log(LogLevel.Error, "I2C: Removing clock entry for {0}",this.irqTimeoutCallback);
-            machine.ClockSource.RemoveClockEntry(FinishTransaction);
+            machine.ClockSource.TryRemoveClockEntry(FinishTransaction);
             irqTimeoutCallbackQueued = 0;
             if (shouldSendTxRxIrq)
             {
diff --git a/emulation/peripherals/BetrustedSocI2C.cs b/emulation/peripherals/BetrustedSocI2C.cs
index a471d174e..8d46e887f 100644
--- a/emulation/peripherals/BetrustedSocI2C.cs
+++ b/emulation/peripherals/BetrustedSocI2C.cs
@@ -162,7 +162,7 @@ namespace Antmicro.Renode.Peripherals.I2C.Betrusted
 
         private void FinishTransaction()
         {
-            machine.ClockSource.RemoveClockEntry(FinishTransaction);
+            machine.ClockSource.TryRemoveClockEntry(FinishTransaction);
             if (shouldSendTxRxIrq)
             {
                 shouldSendTxRxIrq = false;