diff --git a/src/iis.jl b/src/iis.jl
index 75254ee..0ea10ac 100644
--- a/src/iis.jl
+++ b/src/iis.jl
@@ -54,7 +54,6 @@ Base.@kwdef mutable struct Optimizer
     # iis attributes
     time_limit::Float64 = Inf
     verbose::Bool = false
-    skip_feasibility_check::Bool = false
     stop_if_infeasible_bounds::Bool = true
     stop_if_infeasible_ranges::Bool = true
     deletion_filter::Bool = true
@@ -125,17 +124,6 @@ function MOI.get(optimizer::Optimizer, ::MOI.Silent)
     return !optimizer.verbose
 end
 
-struct SkipFeasibilityCheck <: MOI.AbstractOptimizerAttribute end
-
-function MOI.set(optimizer::Optimizer, ::SkipFeasibilityCheck, value::Bool)
-    optimizer.skip_feasibility_check = value
-    return
-end
-
-function MOI.get(optimizer::Optimizer, ::SkipFeasibilityCheck)
-    return optimizer.skip_feasibility_check
-end
-
 struct StopIfInfeasibleBounds end
 
 function MOI.set(optimizer::Optimizer, ::StopIfInfeasibleBounds, value::Bool)
@@ -240,8 +228,7 @@ function MOI.compute_conflict!(optimizer::Optimizer)
         println("Starting MathOptIIS IIS search.")
     end
     T = Float64
-    is_feasible = _feasibility_check(optimizer, optimizer.original_model)
-    if is_feasible && !optimizer.skip_feasibility_check
+    if _feasibility_check(optimizer, optimizer.original_model)
         optimizer.status = MOI.NO_CONFLICT_EXISTS
         return optimizer.results
     end
diff --git a/test/runtests.jl b/test/runtests.jl
index df156e1..a5c2c61 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -407,13 +407,6 @@ function test_interval()
     MOI.compute_conflict!(solver)
     data = solver.results
     @test length(data) == 0
-    @test !MOI.get(solver, MOIIS.SkipFeasibilityCheck())
-    MOI.set(solver, MOIIS.SkipFeasibilityCheck(), true)
-    @test MOI.get(solver, MOIIS.SkipFeasibilityCheck())
-    MOI.compute_conflict!(solver)
-    data = solver.results
-    @test length(data) == 0
-    # TODO check status
     return
 end
 
@@ -439,11 +432,6 @@ function test_pass_attribute()
     MOI.compute_conflict!(solver)
     data = solver.results
     @test length(data) == 0
-    MOI.set(solver, MOIIS.SkipFeasibilityCheck(), true)
-    @test MOI.get(solver, MOIIS.SkipFeasibilityCheck())
-    MOI.compute_conflict!(solver)
-    data = solver.results
-    @test length(data) == 0
     return
 end