diff --git a/src/chaotic_attractors.jl b/src/chaotic_attractors.jl
index 674a82b..9c20fa5 100644
--- a/src/chaotic_attractors.jl
+++ b/src/chaotic_attractors.jl
@@ -476,49 +476,17 @@ function Duffing()
     return prob
 end
 
-function MackeyGlass end
-originalcode(::typeof(MackeyGlass)) = """
-class MackeyGlass(DynSysDelay):
-    @staticjit
-    def _rhs(x, xt, t, beta, gamma, n, tau):
-        xdot = beta * (xt / (1 + xt ** n)) - gamma * x
-        return xdot
-"""
-@doc make_docstring(MackeyGlass) MackeyGlass
-function MackeyGlass()
-    function rhs(du, u, p, t)
-        beta, gamma, n = p
-        du[1] = beta * (u[2] / (1 + u[2]^n)) - gamma * u[1]
-    end
-    u0 = Float64.(ATTRACTOR_DATA["MackeyGlass"]["initial_conditions"])
-    p = dict_to_componentarray(ATTRACTOR_DATA["MackeyGlass"]["parameters"])
-    tspan = (0.0, 1.0)
-    f = ODEFunction(rhs)
-    prob = DDEProblem(f, u0, tspan, p, constant_lags = [1.0])
-    return prob
-end
+# class MackeyGlass(DynSysDelay):
+#     @staticjit
+#     def _rhs(x, xt, t, beta, gamma, n, tau):
+#         xdot = beta * (xt / (1 + xt ** n)) - gamma * x
+#         return xdot
 
-function IkedaDelay end
-originalcode(::typeof(IkedaDelay)) = """
-class IkedaDelay(DynSysDelay):
-    @staticjit
-    def _rhs(x, xt, t, c, mu, tau, x0):
-        xdot = mu * np.sin(xt - x0) - c * x
-        return xdot
-"""
-@doc make_docstring(IkedaDelay) IkedaDelay
-function IkedaDelay()
-    function rhs(du, u, p, t)
-        c, mu, x0 = p
-        du[1] = mu * sin(u[2] - x0) - c * u[1]
-    end
-    u0 = Float64.(ATTRACTOR_DATA["IkedaDelay"]["initial_conditions"])
-    p = dict_to_componentarray(ATTRACTOR_DATA["IkedaDelay"]["parameters"])
-    tspan = (0.0, 1.0)
-    f = ODEFunction(rhs)
-    prob = DDEProblem(f, u0, tspan, p, constant_lags = [1.0])
-    return prob
-end
+# class IkedaDelay(DynSysDelay):
+#     @staticjit
+#     def _rhs(x, xt, t, c, mu, tau, x0):
+#         xdot = mu * np.sin(xt - x0) - c * x
+#         return xdot
 
 # class SprottDelay(IkedaDelay):
 #     pass