diff --git a/lib/OptimizationMOI/src/OptimizationMOI.jl b/lib/OptimizationMOI/src/OptimizationMOI.jl
index fa5c7b696..824babd42 100644
--- a/lib/OptimizationMOI/src/OptimizationMOI.jl
+++ b/lib/OptimizationMOI/src/OptimizationMOI.jl
@@ -161,50 +161,6 @@ function repl_getindex!(expr::Expr)
     return expr
 end
 
-function __moi_status_to_ReturnCode(status::MOI.TerminationStatusCode)
-    if status in [
-        MOI.OPTIMAL,
-        MOI.LOCALLY_SOLVED,
-        MOI.ALMOST_OPTIMAL,
-        MOI.ALMOST_LOCALLY_SOLVED,
-    ]
-        return ReturnCode.Success
-    elseif status in [
-        MOI.INFEASIBLE,
-        MOI.DUAL_INFEASIBLE,
-        MOI.LOCALLY_INFEASIBLE,
-        MOI.INFEASIBLE_OR_UNBOUNDED,
-        MOI.ALMOST_INFEASIBLE,
-        MOI.ALMOST_DUAL_INFEASIBLE,
-    ]
-        return ReturnCode.Infeasible
-    elseif status in [
-        MOI.ITERATION_LIMIT,
-        MOI.NODE_LIMIT,
-        MOI.SLOW_PROGRESS,
-    ]
-        return ReturnCode.MaxIters
-    elseif status == MOI.TIME_LIMIT
-        return ReturnCode.MaxTime
-    elseif status in [
-        MOI.OPTIMIZE_NOT_CALLED,
-        MOI.NUMERICAL_ERROR,
-        MOI.INVALID_MODEL,
-        MOI.INVALID_OPTION,
-        MOI.INTERRUPTED,
-        MOI.OTHER_ERROR,
-        MOI.SOLUTION_LIMIT,
-        MOI.MEMORY_LIMIT,
-        MOI.OBJECTIVE_LIMIT,
-        MOI.NORM_LIMIT,
-        MOI.OTHER_LIMIT,
-    ]
-        return ReturnCode.Failure
-    else
-        return ReturnCode.Default
-    end
-end
-
 include("nlp.jl")
 include("moi.jl")