diff --git a/src/wifi/model/he/he-ppdu.cc b/src/wifi/model/he/he-ppdu.cc
index 7331585e7..6e52ccf58 100644
--- a/src/wifi/model/he/he-ppdu.cc
+++ b/src/wifi/model/he/he-ppdu.cc
@@ -201,7 +201,6 @@ HePpdu::SetTxVectorFromPhyHeaders(WifiTxVector& txVector,
 void
 HePpdu::SetHeMuUserInfos(WifiTxVector& txVector, const HeSigHeader& heSig) const
 {
-    WifiTxVector::HeMuUserInfoMap userInfos{};
     const auto& ruAllocation = heSig.GetRuAllocation();
     auto contentChannelIndex = 0;
     for (const auto& contentChannel : heSig.GetHeSigBContentChannels())