diff --git a/miplearn/components/composite.py b/miplearn/components/composite.py
deleted file mode 100644
index 0d6b86f..0000000
--- a/miplearn/components/composite.py
+++ /dev/null
@@ -1,52 +0,0 @@
-#  MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
-#  Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
-#  Released under the modified BSD license. See COPYING.md for more details.
-
-from miplearn.components.component import Component
-
-
-class CompositeComponent(Component):
-    """
-    A Component which redirects each method call to one or more subcomponents.
-
-    Useful for breaking down complex components into smaller classes. See
-    RelaxationComponent for a concrete example.
-
-    Parameters
-    ----------
-    children : list[Component]
-        Subcomponents that compose this component.
-    """
-
-    def __init__(self, children):
-        self.children = children
-
-    def before_solve_mip(self, solver, instance, model):
-        for child in self.children:
-            child.before_solve_mip(solver, instance, model)
-
-    def after_solve_mip(
-        self,
-        solver,
-        instance,
-        model,
-        stats,
-        training_data,
-    ):
-        for child in self.children:
-            child.after_solve_mip(solver, instance, model, stats, training_data)
-
-    def fit(self, training_instances):
-        for child in self.children:
-            child.fit(training_instances)
-
-    def lazy_cb(self, solver, instance, model):
-        for child in self.children:
-            child.lazy_cb(solver, instance, model)
-
-    def iteration_cb(self, solver, instance, model):
-        should_repeat = False
-        for child in self.children:
-            if child.iteration_cb(solver, instance, model):
-                should_repeat = True
-        return should_repeat
diff --git a/tests/components/test_composite.py b/tests/components/test_composite.py
deleted file mode 100644
index ff3e89a..0000000
--- a/tests/components/test_composite.py
+++ /dev/null
@@ -1,57 +0,0 @@
-#  MIPLearn: Extensible Framework for Learning-Enhanced Mixed-Integer Optimization
-#  Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
-#  Released under the modified BSD license. See COPYING.md for more details.
-
-from unittest.mock import Mock, call
-
-from miplearn.components.component import Component
-from miplearn.components.composite import CompositeComponent
-from miplearn.instance import Instance
-from miplearn.solvers.learning import LearningSolver
-
-
-def test_composite():
-    solver, instance, model = (
-        Mock(spec=LearningSolver),
-        Mock(spec=Instance),
-        Mock(),
-    )
-
-    c1 = Mock(spec=Component)
-    c2 = Mock(spec=Component)
-    cc = CompositeComponent([c1, c2])
-
-    # Should broadcast before_solve
-    cc.before_solve_mip(solver, instance, model)
-    c1.before_solve_mip.assert_has_calls([call(solver, instance, model)])
-    c2.before_solve_mip.assert_has_calls([call(solver, instance, model)])
-
-    # Should broadcast after_solve
-    cc.after_solve_mip(solver, instance, model, {}, {})
-    c1.after_solve_mip.assert_has_calls([call(solver, instance, model, {}, {})])
-    c2.after_solve_mip.assert_has_calls([call(solver, instance, model, {}, {})])
-
-    # Should broadcast fit
-    cc.fit([1, 2, 3])
-    c1.fit.assert_has_calls([call([1, 2, 3])])
-    c2.fit.assert_has_calls([call([1, 2, 3])])
-
-    # Should broadcast lazy_cb
-    cc.lazy_cb(solver, instance, model)
-    c1.lazy_cb.assert_has_calls([call(solver, instance, model)])
-    c2.lazy_cb.assert_has_calls([call(solver, instance, model)])
-
-    # Should broadcast iteration_cb
-    cc.iteration_cb(solver, instance, model)
-    c1.iteration_cb.assert_has_calls([call(solver, instance, model)])
-    c2.iteration_cb.assert_has_calls([call(solver, instance, model)])
-
-    # If at least one child component returns true, iteration_cb should return True
-    c1.iteration_cb = Mock(return_value=True)
-    c2.iteration_cb = Mock(return_value=False)
-    assert cc.iteration_cb(solver, instance, model)
-
-    # If all children return False, iteration_cb should return False
-    c1.iteration_cb = Mock(return_value=False)
-    c2.iteration_cb = Mock(return_value=False)
-    assert not cc.iteration_cb(solver, instance, model)