diff --git a/certbot/certbot/_internal/tests/crypto_util_test.py b/certbot/certbot/_internal/tests/crypto_util_test.py
index f8531f382..67b358da9 100644
--- a/certbot/certbot/_internal/tests/crypto_util_test.py
+++ b/certbot/certbot/_internal/tests/crypto_util_test.py
@@ -20,15 +20,16 @@ from certbot.compat import filesystem
 from certbot.compat import os
 import certbot.tests.util as test_util
 
-RSA256_KEY = test_util.load_vector('rsa256_key.pem')
-RSA256_KEY_PATH = test_util.vector_path('rsa256_key.pem')
 RSA512_KEY = test_util.load_vector('rsa512_key.pem')
+RSA512_KEY_PATH = test_util.vector_path('rsa512_key.pem')
+RSA2048_KEY = test_util.load_vector('rsa2048_key.pem')
 RSA2048_KEY_PATH = test_util.vector_path('rsa2048_key.pem')
 CERT_PATH = test_util.vector_path('cert_512.pem')
 CERT = test_util.load_vector('cert_512.pem')
 SS_CERT_PATH = test_util.vector_path('cert_2048.pem')
 SS_CERT = test_util.load_vector('cert_2048.pem')
 P256_KEY = test_util.load_vector('nistp256_key.pem')
+P256_KEY_PATH = test_util.vector_path('nistp256_key.pem')
 P256_CERT_PATH = test_util.vector_path('cert-nosans_nistp256.pem')
 P256_CERT = test_util.load_vector('cert-nosans_nistp256.pem')
 # CERT_LEAF is signed by CERT_ISSUER. CERT_ALT_ISSUER is a cross-sign of CERT_ISSUER.
@@ -126,7 +127,7 @@ class CSRMatchesPubkeyTest(unittest.TestCase):
 
     def test_invalid_false(self):
         assert not self._call(
-            test_util.load_vector('csr_512.pem'), RSA256_KEY)
+            test_util.load_vector('csr_512.pem'), P256_KEY)
 
 
 class ImportCSRFileTest(unittest.TestCase):
@@ -305,7 +306,7 @@ class VerifyCertMatchesPrivKeyTest(VerifyCertSetup):
         assert self._call(self.renewable_cert) is None
 
     def test_cert_priv_key_mismatch(self):
-        self.bad_renewable_cert.privkey = RSA256_KEY_PATH
+        self.bad_renewable_cert.privkey = P256_KEY_PATH
         self.bad_renewable_cert.cert = SS_CERT_PATH
 
         with pytest.raises(errors.Error):
diff --git a/certbot/certbot/_internal/tests/main_test.py b/certbot/certbot/_internal/tests/main_test.py
index 5fa499efb..4b76e9423 100644
--- a/certbot/certbot/_internal/tests/main_test.py
+++ b/certbot/certbot/_internal/tests/main_test.py
@@ -43,9 +43,9 @@ import certbot.tests.util as test_util
 CERT_PATH = test_util.vector_path('cert_512.pem')
 CERT = test_util.vector_path('cert_512.pem')
 CSR = test_util.vector_path('csr_512.der')
-KEY = test_util.vector_path('rsa256_key.pem')
 JWK = jose.JWKRSA.load(test_util.load_vector('rsa512_key.pem'))
 RSA2048_KEY_PATH = test_util.vector_path('rsa2048_key.pem')
+P256_KEY_PATH = test_util.vector_path('p256_key.pem')
 SS_CERT_PATH = test_util.vector_path('cert_2048.pem')
 
 
@@ -1824,7 +1824,7 @@ class MainTest(test_util.ConfigTestCase):
     def test_revoke_with_key_mismatch(self):
         server = 'foo.bar'
         with pytest.raises(errors.Error):
-            self._call_no_clientmock(['--cert-path', CERT, '--key-path', KEY,
+            self._call_no_clientmock(['--cert-path', CERT, '--key-path', P256_KEY_PATH,
                                  '--server', server, 'revoke'])
 
     @mock.patch('certbot._internal.main._delete_if_appropriate')
diff --git a/certbot/certbot/tests/testdata/README b/certbot/certbot/tests/testdata/README
index 6cbadcab2..35cab603a 100644
--- a/certbot/certbot/tests/testdata/README
+++ b/certbot/certbot/tests/testdata/README
@@ -1,6 +1,6 @@
 The following command has been used to generate test keys:
 
-	for x in 256 512 2048; do openssl genrsa -out rsa${k}_key.pem $k; done
+	for x in 512 2048; do openssl genrsa -out rsa${k}_key.pem $k; done
 
 For the elliptic curve private keys, this command was used:
 
diff --git a/certbot/certbot/tests/testdata/rsa256_key.pem b/certbot/certbot/tests/testdata/rsa256_key.pem
deleted file mode 100644
index 659274d1d..000000000
--- a/certbot/certbot/tests/testdata/rsa256_key.pem
+++ /dev/null
@@ -1,6 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIGrAgEAAiEAm2Fylv+Uz7trgTW8EBHP3FQSMeZs2GNQ6VRo1sIVJEkCAwEAAQIh
-AJT0BA/xD01dFCAXzSNyj9nfSZa3NpqzJZZn/eOm7vghAhEAzUVNZn4lLLBD1R6N
-E8TKNQIRAMHHyn3O5JeY36lwKwkUlEUCEAliRauN0L0+QZuYjfJ9aJECEGx4dru3
-rTPCyighdqWNlHUCEQCiLjlwSRtWgmMBudCkVjzt
------END RSA PRIVATE KEY-----