diff --git a/src/python/gem5/components/cachehierarchies/chi/private_l1_cache_hierarchy.py b/src/python/gem5/components/cachehierarchies/chi/private_l1_cache_hierarchy.py
index f3b7036e66..29df2a969c 100644
--- a/src/python/gem5/components/cachehierarchies/chi/private_l1_cache_hierarchy.py
+++ b/src/python/gem5/components/cachehierarchies/chi/private_l1_cache_hierarchy.py
@@ -36,6 +36,10 @@ from m5.objects import (
 from m5.objects.SubSystem import SubSystem
 
 from gem5.coherence_protocol import CoherenceProtocol
+from gem5.utils.requires import requires
+
+requires(coherence_protocol_required=CoherenceProtocol.CHI)
+
 from gem5.components.boards.abstract_board import AbstractBoard
 from gem5.components.cachehierarchies.abstract_cache_hierarchy import (
     AbstractCacheHierarchy,
@@ -49,7 +53,6 @@ from gem5.components.cachehierarchies.ruby.topologies.simple_pt2pt import (
 from gem5.components.processors.abstract_core import AbstractCore
 from gem5.isas import ISA
 from gem5.utils.override import overrides
-from gem5.utils.requires import requires
 
 from .nodes.directory import SimpleDirectory
 from .nodes.dma_requestor import DMARequestor
@@ -79,8 +82,6 @@ class PrivateL1CacheHierarchy(AbstractRubyCacheHierarchy):
 
     @overrides(AbstractCacheHierarchy)
     def incorporate_cache(self, board: AbstractBoard) -> None:
-        requires(coherence_protocol_required=CoherenceProtocol.CHI)
-
         self.ruby_system = RubySystem()
 
         # Ruby's global network.
diff --git a/src/python/gem5/components/cachehierarchies/ruby/mesi_three_level_cache_hierarchy.py b/src/python/gem5/components/cachehierarchies/ruby/mesi_three_level_cache_hierarchy.py
index 039ba8fb7a..66fea95636 100644
--- a/src/python/gem5/components/cachehierarchies/ruby/mesi_three_level_cache_hierarchy.py
+++ b/src/python/gem5/components/cachehierarchies/ruby/mesi_three_level_cache_hierarchy.py
@@ -33,8 +33,11 @@ from m5.objects import (
 )
 
 from ....coherence_protocol import CoherenceProtocol
-from ....isas import ISA
 from ....utils.requires import requires
+
+requires(coherence_protocol_required=CoherenceProtocol.MESI_THREE_LEVEL)
+
+from ....isas import ISA
 from ...boards.abstract_board import AbstractBoard
 from ..abstract_three_level_cache_hierarchy import (
     AbstractThreeLevelCacheHierarchy,
@@ -84,10 +87,6 @@ class MESIThreeLevelCacheHierarchy(
         self._num_l3_banks = num_l3_banks
 
     def incorporate_cache(self, board: AbstractBoard) -> None:
-        requires(
-            coherence_protocol_required=CoherenceProtocol.MESI_THREE_LEVEL
-        )
-
         cache_line_size = board.get_cache_line_size()
 
         self.ruby_system = RubySystem()
diff --git a/src/python/gem5/components/cachehierarchies/ruby/mesi_two_level_cache_hierarchy.py b/src/python/gem5/components/cachehierarchies/ruby/mesi_two_level_cache_hierarchy.py
index 083e4d43fe..004c2ff9d2 100644
--- a/src/python/gem5/components/cachehierarchies/ruby/mesi_two_level_cache_hierarchy.py
+++ b/src/python/gem5/components/cachehierarchies/ruby/mesi_two_level_cache_hierarchy.py
@@ -33,8 +33,11 @@ from m5.objects import (
 )
 
 from ....coherence_protocol import CoherenceProtocol
-from ....isas import ISA
 from ....utils.requires import requires
+
+requires(coherence_protocol_required=CoherenceProtocol.MESI_TWO_LEVEL)
+
+from ....isas import ISA
 from ...boards.abstract_board import AbstractBoard
 from ..abstract_two_level_cache_hierarchy import AbstractTwoLevelCacheHierarchy
 from .abstract_ruby_cache_hierarchy import AbstractRubyCacheHierarchy
@@ -80,8 +83,6 @@ class MESITwoLevelCacheHierarchy(
         self._num_l2_banks = num_l2_banks
 
     def incorporate_cache(self, board: AbstractBoard) -> None:
-        requires(coherence_protocol_required=CoherenceProtocol.MESI_TWO_LEVEL)
-
         cache_line_size = board.get_cache_line_size()
 
         self.ruby_system = RubySystem()
diff --git a/src/python/gem5/components/cachehierarchies/ruby/mi_example_cache_hierarchy.py b/src/python/gem5/components/cachehierarchies/ruby/mi_example_cache_hierarchy.py
index 328fb0f998..478c793560 100644
--- a/src/python/gem5/components/cachehierarchies/ruby/mi_example_cache_hierarchy.py
+++ b/src/python/gem5/components/cachehierarchies/ruby/mi_example_cache_hierarchy.py
@@ -32,9 +32,12 @@ from m5.objects import (
 )
 
 from ....coherence_protocol import CoherenceProtocol
+from ....utils.requires import requires
+
+requires(coherence_protocol_required=CoherenceProtocol.MI_EXAMPLE)
+
 from ....isas import ISA
 from ....utils.override import overrides
-from ....utils.requires import requires
 from ...boards.abstract_board import AbstractBoard
 from ..abstract_cache_hierarchy import AbstractCacheHierarchy
 from .abstract_ruby_cache_hierarchy import AbstractRubyCacheHierarchy
@@ -62,8 +65,6 @@ class MIExampleCacheHierarchy(AbstractRubyCacheHierarchy):
 
     @overrides(AbstractCacheHierarchy)
     def incorporate_cache(self, board: AbstractBoard) -> None:
-        requires(coherence_protocol_required=CoherenceProtocol.MI_EXAMPLE)
-
         self.ruby_system = RubySystem()
 
         # Ruby's global network.