diff --git a/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge.py b/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge.py
index 27fc093e3f5..eba535d2ce2 100644
--- a/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge.py
+++ b/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge.py
@@ -17,7 +17,6 @@
 from cirq.transformers.gauge_compiling.gauge_compiling import (
     GaugeTransformer,
     GaugeSelector,
-    SameGateGauge,
     ConstantGauge,
     Gauge,
 )
@@ -57,7 +56,7 @@ def _get_new_post(self, exponent: float, pre: ops.Gate) -> ops.Gate:
             raise ValueError("pre should be cirq.X or cirq.Y")
 
     def _get_constant_gauge(
-        self, gate: ops.CZPowGate, pre_q0: ops.Gate, pre_q1: ops.Gate
+        self, gate: ops.Gate, pre_q0: ops.Gate, pre_q1: ops.Gate
     ) -> ConstantGauge:
         """Get the ConstantGauge corresponding to a given pre_q0 and pre_q1.