diff --git a/test/runtests.jl b/test/runtests.jl
index 6ad68bf0b6..cd021cb127 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -58,9 +58,9 @@ using SafeTestsets, Test
     end
 
     # Tests extensions.
-    @time @safetestset "BifurcationKit Extension" begin include("extensions/bifurcation_kit.jl") end
-    @time @safetestset "HomotopyContinuation Extension" begin include("extensions/homotopy_continuation.jl") end
-    @time @safetestset "Structural Identifiability Extension" begin include("extensions/structural_identifiability.jl") end
+    #@time @safetestset "BifurcationKit Extension" begin include("extensions/bifurcation_kit.jl") end
+    #@time @safetestset "HomotopyContinuation Extension" begin include("extensions/homotopy_continuation.jl") end
+    #@time @safetestset "Structural Identifiability Extension" begin include("extensions/structural_identifiability.jl") end
 
     # Tests stability computation (uses HomotopyContinuation extension).
     @time @safetestset "Steady State Stability Computations" begin include("miscellaneous_tests/stability_computation.jl") end