diff --git a/src/Bridges/Bridges.jl b/src/Bridges/Bridges.jl
index ccfe3bd869..8251eb0d32 100644
--- a/src/Bridges/Bridges.jl
+++ b/src/Bridges/Bridges.jl
@@ -302,13 +302,13 @@ function runtests(
     end
     # Test other bridge functions
     for b in values(Constraint.bridges(model))
-        _general_bridge_tests(b)
+        _general_bridge_tests(something(b))
     end
     for b in values(Objective.bridges(model))
-        _general_bridge_tests(b)
+        _general_bridge_tests(something(b))
     end
     for b in values(Variable.bridges(model))
-        _general_bridge_tests(b)
+        _general_bridge_tests(something(b))
     end
     _test_delete(Bridge, model, inner)
     return
diff --git a/src/Bridges/Variable/map.jl b/src/Bridges/Variable/map.jl
index 7e664cc5b9..014c4847b3 100644
--- a/src/Bridges/Variable/map.jl
+++ b/src/Bridges/Variable/map.jl
@@ -71,7 +71,7 @@ function Base.empty!(map::Map)
         map.unbridged_function =
             Dict{MOI.VariableIndex,Tuple{Int64,MOI.AbstractScalarFunction}}()
     else
-        empty!(map.unbridged_function)
+        empty!(something(map.unbridged_function))
     end
     empty!(map.parent_index)
     map.current_context = 0
@@ -371,13 +371,14 @@ function add_keys_for_bridge(
         MOI.VariableIndex(-(bridge_index - 1 + i)) for i in 1:MOI.dimension(set)
     ]
     if map.unbridged_function !== nothing
-        mappings = unbridged_map(map.bridges[bridge_index], variables)
+        mappings =
+            unbridged_map(something(map.bridges[bridge_index]), variables)
         if mappings === nothing
             map.unbridged_function = nothing
         else
             for mapping in mappings
                 push!(
-                    map.unbridged_function,
+                    something(map.unbridged_function),
                     mapping.first => (bridge_index, mapping.second),
                 )
             end
@@ -441,7 +442,7 @@ Return the expression of `vi` in terms of bridged variables.
 """
 function unbridged_function(map::Map, vi::MOI.VariableIndex)
     throw_if_cannot_unbridge(map)
-    context_func = get(map.unbridged_function, vi, nothing)
+    context_func = get(something(map.unbridged_function), vi, nothing)
     if context_func === nothing
         return nothing
     end
diff --git a/src/Nonlinear/evaluator.jl b/src/Nonlinear/evaluator.jl
index 21955c14d1..2414ac7db1 100644
--- a/src/Nonlinear/evaluator.jl
+++ b/src/Nonlinear/evaluator.jl
@@ -90,7 +90,7 @@ function MOI.objective_expr(evaluator::Evaluator)
     end
     return convert_to_expr(
         evaluator,
-        evaluator.model.objective;
+        something(evaluator.model.objective);
         moi_output_format = true,
     )
 end
diff --git a/src/Nonlinear/operators.jl b/src/Nonlinear/operators.jl
index ee49768111..d318fdb241 100644
--- a/src/Nonlinear/operators.jl
+++ b/src/Nonlinear/operators.jl
@@ -575,7 +575,7 @@ function eval_univariate_hessian(
 ) where {T}
     id = registry.univariate_operator_to_id[op]
     if id <= registry.univariate_user_operator_start
-        return _eval_univariate_2nd_deriv(id, x)
+        return _eval_univariate_2nd_deriv(id, x)::T
     end
     offset = id - registry.univariate_user_operator_start
     operator = registry.registered_univariate_operators[offset]
diff --git a/src/Utilities/universalfallback.jl b/src/Utilities/universalfallback.jl
index 21842f53a5..c57df71d7b 100644
--- a/src/Utilities/universalfallback.jl
+++ b/src/Utilities/universalfallback.jl
@@ -280,7 +280,7 @@ function MOI.delete(uf::UniversalFallback, vi::MOI.VariableIndex)
         delete!(d, vi)
     end
     if uf.objective !== nothing
-        uf.objective = remove_variable(uf.objective, vi)
+        uf.objective = remove_variable(something(uf.objective), vi)
     end
     for constraints in values(uf.single_variable_constraints)
         _remove_variable(uf, constraints, vi)
@@ -309,7 +309,7 @@ function MOI.delete(uf::UniversalFallback, vis::Vector{MOI.VariableIndex})
         end
     end
     if uf.objective !== nothing
-        uf.objective = remove_variable(uf.objective, vis)
+        uf.objective = remove_variable(something(uf.objective), vis)
     end
     for constraints in values(uf.single_variable_constraints)
         for vi in vis
@@ -678,7 +678,7 @@ function MOI.get(
         # to check for duplicate names.
         MOI.get(uf.model, MOI.ConstraintIndex, name)
     end
-    ci_uf = get(uf.name_to_con, name, nothing)
+    ci_uf = get(something(uf.name_to_con), name, nothing)
     throw_if_multiple_with_name(ci_uf, name)
     c = check_type_and_multiple_names(MOI.ConstraintIndex{F,S}, ci_uf, ci, name)
     return c
@@ -692,7 +692,7 @@ function MOI.get(
     if uf.name_to_con === nothing
         uf.name_to_con = build_name_to_con_map(uf.con_to_name)
     end
-    ci_uf = get(uf.name_to_con, name, nothing)
+    ci_uf = get(something(uf.name_to_con), name, nothing)
     throw_if_multiple_with_name(ci_uf, name)
     return check_type_and_multiple_names(
         MOI.ConstraintIndex,