diff --git a/include/dp3/base/DPBuffer.h b/include/dp3/base/DPBuffer.h
index 2cce15e1174cebe865f9e5f686f666bc69be3749..1e5fb4be1ffe6a0608f71d95bef7ff85cd9e717a 100644
--- a/include/dp3/base/DPBuffer.h
+++ b/include/dp3/base/DPBuffer.h
@@ -91,8 +91,6 @@ namespace base {
 ///    the DPBuffer it receives and forward the updated buffer to the next Step.
 class DPBuffer {
  public:
-  using Complex = std::complex<float>;
-
   // Return types for Get* functions.
   using DataType = aocommon::xt::UTensor<std::complex<float>, 3>;
   using WeightsType = xt::xtensor<float, 3>;