diff --git a/src/Utilities/cachingoptimizer.jl b/src/Utilities/cachingoptimizer.jl
index 14c5011743..ce09aaeb55 100644
--- a/src/Utilities/cachingoptimizer.jl
+++ b/src/Utilities/cachingoptimizer.jl
@@ -270,11 +270,11 @@ end
 function final_touch(m::CachingOptimizer, index_map)
     return final_touch(m.model_cache, index_map)
 end
-function MOI.copy_to(m::CachingOptimizer, src::MOI.ModelLike; kws...)
+function MOI.copy_to(m::CachingOptimizer, src::MOI.ModelLike)
     if m.state == ATTACHED_OPTIMIZER
         reset_optimizer(m)
     end
-    return MOI.copy_to(m.model_cache, src; kws...)
+    return MOI.copy_to(m.model_cache, src)
 end
 
 function MOI.supports_incremental_interface(model::CachingOptimizer)
diff --git a/src/Utilities/mockoptimizer.jl b/src/Utilities/mockoptimizer.jl
index e7beb86f42..bff094329e 100644
--- a/src/Utilities/mockoptimizer.jl
+++ b/src/Utilities/mockoptimizer.jl
@@ -943,8 +943,8 @@ function MOI.supports_add_constrained_variables(
     return MOI.supports_add_constrained_variables(mock.inner_model, MOI.Reals)
 end
 
-function MOI.copy_to(dest::MockOptimizer, src::MOI.ModelLike; kwargs...)
-    return default_copy_to(dest, src; kwargs...)
+function MOI.copy_to(dest::MockOptimizer, src::MOI.ModelLike)
+    return default_copy_to(dest, src)
 end
 
 function MOI.supports_incremental_interface(mock::MockOptimizer)
diff --git a/src/Utilities/universalfallback.jl b/src/Utilities/universalfallback.jl
index 23cdad1a81..db1e624867 100644
--- a/src/Utilities/universalfallback.jl
+++ b/src/Utilities/universalfallback.jl
@@ -123,8 +123,8 @@ function pass_nonvariable_constraints(
     )
 end
 
-function MOI.copy_to(dest::UniversalFallback, src::MOI.ModelLike; kwargs...)
-    return MOIU.default_copy_to(dest, src; kwargs...)
+function MOI.copy_to(dest::UniversalFallback, src::MOI.ModelLike)
+    return default_copy_to(dest, src)
 end
 
 function MOI.supports_incremental_interface(uf::UniversalFallback)