diff --git a/crypto_kem/frodokem976shake/META.yml b/crypto_kem/frodokem976shake/META.yml
index 6806fa9f..9314dd1d 100644
--- a/crypto_kem/frodokem976shake/META.yml
+++ b/crypto_kem/frodokem976shake/META.yml
@@ -20,17 +20,3 @@ auxiliary-submitters:
 implementations:
 - name: clean
   version: https://github.com/Microsoft/PQCrypto-LWEKE/commit/437e228fca580a82435cab09f30ae14b03183119
-  duplicate-consistency:
-    source_namespace: PQCLEAN_FRODOKEM640SHAKE_CLEAN_
-    target_namespace: PQCLEAN_FRODOKEM976SHAKE_CLEAN_
-    files:
-    - source_file: crypto_kem/frodokem640shake/clean/common.h
-      target_file: common.h
-    - source_file: crypto_kem/frodokem640shake/clean/kem.c
-      target_file: kem.c
-    - source_file: crypto_kem/frodokem640shake/clean/matrix_shake.c
-      target_file: matrix_shake.c
-    - source_file: crypto_kem/frodokem640shake/clean/noise.c
-      target_file: noise.c
-    - source_file: crypto_kem/frodokem640shake/clean/util.c
-      target_file: util.c
diff --git a/test/duplicate_consistency/frodokem976shake_clean.yml b/test/duplicate_consistency/frodokem976shake_clean.yml
new file mode 100644
index 00000000..fb1fb3de
--- /dev/null
+++ b/test/duplicate_consistency/frodokem976shake_clean.yml
@@ -0,0 +1,9 @@
+source:
+  scheme: frodokem640shake
+  implementation: clean
+files:
+  - common.h
+  - kem.c
+  - matrix_shake.c
+  - noise.c
+  - util.c
diff --git a/test/pqclean.py b/test/pqclean.py
index ecabe0c3..47b9e6d1 100644
--- a/test/pqclean.py
+++ b/test/pqclean.py
@@ -78,6 +78,9 @@ class Implementation:
     def path(self, base='..') -> str:
         return os.path.join(self.scheme.path(), self.name)
 
+    def namespace_prefix(self):
+        return 'PQCLEAN_{}_{}_'.format(self.scheme.name.upper(), self.name.upper()).replace('-', '')
+
     def libname(self) -> str:
         if os.name == 'nt':
             return "lib{}_{}.lib".format(self.scheme.name, self.name)
diff --git a/test/test_duplicate_consistency.py b/test/test_duplicate_consistency.py
index 23ace1df..52755a3b 100644
--- a/test/test_duplicate_consistency.py
+++ b/test/test_duplicate_consistency.py
@@ -6,12 +6,13 @@ import os
 import pqclean
 import helpers
 import unittest
+import yaml
 
 def test_duplicate_consistency():
     for scheme in pqclean.Scheme.all_schemes():
         for implementation in scheme.implementations:
-            yield check_duplicate_consistency, implementation
-
+            if os.path.isfile(os.path.join('duplicate_consistency', '{}_{}.yml'.format(scheme.name, implementation.name))):
+                yield check_duplicate_consistency, implementation
 
 def file_get_contents(filename):
     with open(filename) as f:
@@ -19,18 +20,18 @@ def file_get_contents(filename):
 
 def check_duplicate_consistency(implementation):
     helpers.skip_windows()
-    if not('duplicate-consistency' in implementation.metadata()):
-        raise unittest.SkipTest('No duplicate consistency requirements defined')
-    dc = implementation.metadata()['duplicate-consistency']
-    for pairs in dc['files']:
-        transformed_src = helpers.run_subprocess(
-            ['sed', '-e', 's/{}/{}/g'.format(dc['source_namespace'], dc['target_namespace']), pairs['source_file']],
-            '..',
-        )
-        this_src = file_get_contents(os.path.join(implementation.path(), pairs['target_file']))
-        print(this_src)
-        assert(transformed_src == this_src)
-
+    metafile = os.path.join('duplicate_consistency', '{}_{}.yml'.format(implementation.scheme.name, implementation.name))
+    with open(metafile, encoding='utf-8') as f:
+        metadata = yaml.load(f.read())
+        source = pqclean.Implementation.by_name(metadata['source']['scheme'], metadata['source']['implementation'])
+        for file in metadata['files']:
+            transformed_src = helpers.run_subprocess(
+                ['sed', '-e', 's/{}/{}/g'.format(source.namespace_prefix(), implementation.namespace_prefix()), os.path.join(source.path(), file)]
+            )
+            this_src = file_get_contents(os.path.join(implementation.path(), file))
+            print(os.path.join(implementation.path(), file))
+            print(this_src)
+            assert(transformed_src == this_src)
 
 if __name__ == '__main__':
     try:
diff --git a/test/test_metadata.py b/test/test_metadata.py
index 2b92539e..8d8fcbce 100644
--- a/test/test_metadata.py
+++ b/test/test_metadata.py
@@ -53,24 +53,6 @@ EXPECTED_FIELDS = {
             'spec': {
                 'name': {'type': str},
                 'version': {'type': str},
-                'duplicate-consistency': {
-                    'type': dict,
-                    'optional': True,
-                    'spec': {
-                        'source_namespace': {'type': str},
-                        'target_namespace': {'type': str},
-                        'files': {
-                            'type': list,
-                            'elements': {
-                                'type': dict,
-                                'spec': {
-                                    'source_file': {'type': str},
-                                    'target_file': {'type': str},
-                                },
-                            },
-                        },
-                    },
-                },
             },
         },
     },