diff --git a/core/foundation/src/TError.cxx b/core/foundation/src/TError.cxx
index a989d0ea40fc2..8f27b76c5d72b 100644
--- a/core/foundation/src/TError.cxx
+++ b/core/foundation/src/TError.cxx
@@ -28,9 +28,6 @@ to be replaced by the proper DefaultErrorHandler()
 #include <cerrno>
 #include <string>
 
-// Deprecated
-TVirtualMutex *gErrorMutex = nullptr;
-
 Int_t  gErrorIgnoreLevel     = kUnset;
 Int_t  gErrorAbortLevel      = kSysError+1;
 Bool_t gPrintViaErrorHandler = kFALSE;