diff --git a/src/qibolab/compilers/compiler.py b/src/qibolab/compilers/compiler.py
index 6a2496676..06bbba263 100644
--- a/src/qibolab/compilers/compiler.py
+++ b/src/qibolab/compilers/compiler.py
@@ -15,7 +15,6 @@
     rz_rule,
     z_rule,
 )
-from qibolab.components import Channel
 from qibolab.platform import Platform
 from qibolab.pulses import Delay, PulseSequence
 from qibolab.qubits import QubitId
@@ -151,12 +150,6 @@ def compile(
         measurement_map = {}
         channel_clock = defaultdict(float)
 
-        def find_max(channels: list[Channel]):
-            return max(channel_clock[ch.name] for ch in channels)
-
-        def find_max(channels: list[Channel]):
-            return max(channel_clock[ch.name] for ch in channels)
-
         def qubit_clock(el: QubitId):
             elements = platform.qubits if el in platform.qubits else platform.couplers
             return max(channel_clock[ch.name] for ch in elements[el].channels)