diff --git a/test/algorithms/Chalmet.jl b/test/algorithms/Chalmet.jl
index 9adfde3..16e85a8 100644
--- a/test/algorithms/Chalmet.jl
+++ b/test/algorithms/Chalmet.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/Dichotomy.jl b/test/algorithms/Dichotomy.jl
index 3af9f0a..471f23d 100644
--- a/test/algorithms/Dichotomy.jl
+++ b/test/algorithms/Dichotomy.jl
@@ -10,8 +10,7 @@ using Test
 import HiGHS
 import Ipopt
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/DominguezRios.jl b/test/algorithms/DominguezRios.jl
index e8e550d..e6ad5b0 100644
--- a/test/algorithms/DominguezRios.jl
+++ b/test/algorithms/DominguezRios.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     if Sys.WORD_SIZE == 32
diff --git a/test/algorithms/EpsilonConstraint.jl b/test/algorithms/EpsilonConstraint.jl
index 783cfd6..d20c5e6 100644
--- a/test/algorithms/EpsilonConstraint.jl
+++ b/test/algorithms/EpsilonConstraint.jl
@@ -10,8 +10,7 @@ using Test
 import HiGHS
 import Ipopt
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/Hierarchical.jl b/test/algorithms/Hierarchical.jl
index 0f2db86..0f10785 100644
--- a/test/algorithms/Hierarchical.jl
+++ b/test/algorithms/Hierarchical.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/KirlikSayin.jl b/test/algorithms/KirlikSayin.jl
index 8a45fe0..f9c2e10 100644
--- a/test/algorithms/KirlikSayin.jl
+++ b/test/algorithms/KirlikSayin.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/Lexicographic.jl b/test/algorithms/Lexicographic.jl
index 7588dfb..a255b85 100644
--- a/test/algorithms/Lexicographic.jl
+++ b/test/algorithms/Lexicographic.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/algorithms/TambyVanderpooten.jl b/test/algorithms/TambyVanderpooten.jl
index 6b3196b..5ac72ba 100644
--- a/test/algorithms/TambyVanderpooten.jl
+++ b/test/algorithms/TambyVanderpooten.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/test_model.jl b/test/test_model.jl
index 827e854..5654d21 100644
--- a/test/test_model.jl
+++ b/test/test_model.jl
@@ -9,8 +9,7 @@ using Test
 
 import HiGHS
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)
diff --git a/test/test_utilities.jl b/test/test_utilities.jl
index 307d0ec..fc86fbc 100644
--- a/test/test_utilities.jl
+++ b/test/test_utilities.jl
@@ -8,8 +8,7 @@ module TestUtilities
 using Test
 
 import MultiObjectiveAlgorithms as MOA
-
-const MOI = MOA.MOI
+import MultiObjectiveAlgorithms: MOI
 
 function run_tests()
     for name in names(@__MODULE__; all = true)