diff --git a/tests/test_utils.py b/tests/test_utils.py
index 457cd86..435690b 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -24,7 +24,7 @@
 )
 
 
-def test_load_nist_vectors_encrypt():
+def test_load_nist_vectors():
     vector_data = textwrap.dedent("""
     # CAVS 11.1
     # Config info for aes_values
@@ -90,73 +90,7 @@
     ]
 
 
-def test_load_nist_vectors_decrypt():
-    vector_data = textwrap.dedent("""
-    # CAVS 11.1
-    # Config info for aes_values
-    # AESVS GFSbox test data for CBC
-    # State : Encrypt and Decrypt
-    # Key Length : 128
-    # Generated on Fri Apr 22 15:11:33 2011
-
-    [ENCRYPT]
-
-    COUNT = 0
-    KEY = 00000000000000000000000000000000
-    IV = 00000000000000000000000000000000
-    PLAINTEXT = f34481ec3cc627bacd5dc3fb08f273e6
-    CIPHERTEXT = 0336763e966d92595a567cc9ce537f5e
-
-    COUNT = 1
-    KEY = 00000000000000000000000000000000
-    IV = 00000000000000000000000000000000
-    PLAINTEXT = 9798c4640bad75c7c3227db910174e72
-    CIPHERTEXT = a9a1631bf4996954ebc093957b234589
-
-    [DECRYPT]
-
-    COUNT = 0
-    KEY = 00000000000000000000000000000000
-    IV = 00000000000000000000000000000000
-    CIPHERTEXT = 0336763e966d92595a567cc9ce537f5e
-    PLAINTEXT = f34481ec3cc627bacd5dc3fb08f273e6
-
-    COUNT = 1
-    KEY = 00000000000000000000000000000000
-    IV = 00000000000000000000000000000000
-    CIPHERTEXT = a9a1631bf4996954ebc093957b234589
-    PLAINTEXT = 9798c4640bad75c7c3227db910174e72
-    """).splitlines()
-
-    assert load_nist_vectors(vector_data) == [
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"f34481ec3cc627bacd5dc3fb08f273e6",
-            "ciphertext": b"0336763e966d92595a567cc9ce537f5e",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"9798c4640bad75c7c3227db910174e72",
-            "ciphertext": b"a9a1631bf4996954ebc093957b234589",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"f34481ec3cc627bacd5dc3fb08f273e6",
-            "ciphertext": b"0336763e966d92595a567cc9ce537f5e",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"9798c4640bad75c7c3227db910174e72",
-            "ciphertext": b"a9a1631bf4996954ebc093957b234589",
-        },
-    ]
-
-
-def test_load_nist_vectors_from_file_encrypt():
+def test_load_nist_vectors_from_file():
     assert load_nist_vectors_from_file(
         os.path.join("ciphers", "AES", "CBC", "CBCGFSbox128.rsp")
     ) == [
@@ -247,97 +181,6 @@
     ]
 
 
-def test_load_nist_vectors_from_file_decrypt():
-    assert load_nist_vectors_from_file(
-        os.path.join("ciphers", "AES", "CBC", "CBCGFSbox128.rsp"),
-    ) == [
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"f34481ec3cc627bacd5dc3fb08f273e6",
-            "ciphertext": b"0336763e966d92595a567cc9ce537f5e",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"9798c4640bad75c7c3227db910174e72",
-            "ciphertext": b"a9a1631bf4996954ebc093957b234589",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"96ab5c2ff612d9dfaae8c31f30c42168",
-            "ciphertext": b"ff4f8391a6a40ca5b25d23bedd44a597",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"6a118a874519e64e9963798a503f1d35",
-            "ciphertext": b"dc43be40be0e53712f7e2bf5ca707209",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"cb9fceec81286ca3e989bd979b0cb284",
-            "ciphertext": b"92beedab1895a94faa69b632e5cc47ce",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"b26aeb1874e47ca8358ff22378f09144",
-            "ciphertext": b"459264f4798f6a78bacb89c15ed3d601",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"58c8e00b2631686d54eab84b91f0aca1",
-            "ciphertext": b"08a4e2efec8a8e3312ca7460b9040bbf",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"f34481ec3cc627bacd5dc3fb08f273e6",
-            "ciphertext": b"0336763e966d92595a567cc9ce537f5e",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"9798c4640bad75c7c3227db910174e72",
-            "ciphertext": b"a9a1631bf4996954ebc093957b234589",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"96ab5c2ff612d9dfaae8c31f30c42168",
-            "ciphertext": b"ff4f8391a6a40ca5b25d23bedd44a597",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"6a118a874519e64e9963798a503f1d35",
-            "ciphertext": b"dc43be40be0e53712f7e2bf5ca707209",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"cb9fceec81286ca3e989bd979b0cb284",
-            "ciphertext": b"92beedab1895a94faa69b632e5cc47ce",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"b26aeb1874e47ca8358ff22378f09144",
-            "ciphertext": b"459264f4798f6a78bacb89c15ed3d601",
-        },
-        {
-            "key": b"00000000000000000000000000000000",
-            "iv": b"00000000000000000000000000000000",
-            "plaintext": b"58c8e00b2631686d54eab84b91f0aca1",
-            "ciphertext": b"08a4e2efec8a8e3312ca7460b9040bbf",
-        },
-    ]
-
-
 def test_load_cryptrec_vectors():
     vector_data = textwrap.dedent("""
     # Vectors taken from http://info.isl.ntt.co.jp/crypt/eng/camellia/