From 6b416e8b3902f8f97656a8addb66037914d2e35f Mon Sep 17 00:00:00 2001
From: Oscar Dowson <odow@users.noreply.github.com>
Date: Thu, 23 May 2024 15:06:08 +1200
Subject: [PATCH] Revert #2753

---
 src/operators.jl | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/src/operators.jl b/src/operators.jl
index 0c5309b6881..9e18da55c64 100644
--- a/src/operators.jl
+++ b/src/operators.jl
@@ -568,12 +568,3 @@ function Base.complex(
 )
     return r + im * i
 end
-
-if VERSION >= v"1.11.0-alpha1" && isdefined(LinearAlgebra, :haszero)
-    # See JuMP.jl#3752 for details.
-    # Introduced by https://github.com/JuliaLang/julia/pull/52528
-    LinearAlgebra.haszero(::Type{<:AbstractVariableRef}) = true
-    LinearAlgebra.haszero(::Type{<:GenericAffExpr}) = true
-    LinearAlgebra.haszero(::Type{<:GenericQuadExpr}) = true
-    LinearAlgebra.haszero(::Type{<:GenericNonlinearExpr}) = true
-end