diff --git a/test_suite/tests/test_de.rs b/test_suite/tests/test_de.rs
index 2e52bfd2..b8eca056 100644
--- a/test_suite/tests/test_de.rs
+++ b/test_suite/tests/test_de.rs
@@ -1170,40 +1170,3 @@ declare_error_tests! {
         "invalid type: sequence, expected unit struct UnitStruct",
     }
 }
-
-#[derive(Debug, PartialEq)]
-struct CompactBinary((u8, u8));
-
-impl<'de> serde::Deserialize<'de> for CompactBinary {
-    fn deserialize<D>(deserializer: D) -> Result<CompactBinary, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        if deserializer.is_human_readable() {
-            <(u8, u8)>::deserialize(deserializer).map(CompactBinary)
-        } else {
-            <&[u8]>::deserialize(deserializer).map(|bytes| {
-                CompactBinary((bytes[0], bytes[1]))
-            })
-        }
-    }
-}
-
-#[test]
-fn test_human_readable() {
-    assert_de_tokens_readable(
-        &CompactBinary((1, 2)),
-        &[
-            Token::Tuple { len: 2},
-            Token::U8(1),
-            Token::U8(2),
-            Token::TupleEnd,
-        ],
-        Some(true),
-    );
-    assert_de_tokens_readable(
-        &CompactBinary((1, 2)),
-        &[Token::BorrowedBytes(&[1, 2])],
-        Some(false),
-    );
-}
diff --git a/test_suite/tests/test_ser.rs b/test_suite/tests/test_ser.rs
index 0522fce0..5659af0c 100644
--- a/test_suite/tests/test_ser.rs
+++ b/test_suite/tests/test_ser.rs
@@ -548,26 +548,3 @@ fn test_enum_skipped() {
         "the enum variant Enum::SkippedMap cannot be serialized",
     );
 }
-
-struct CompactBinary(String);
-
-impl serde::Serialize for CompactBinary {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer
-    {
-        if serializer.is_human_readable() {
-            serializer.serialize_str(&self.0)
-        } else {
-            serializer.serialize_bytes(self.0.as_bytes())
-        }
-    }
-}
-
-#[test]
-fn test_human_readable() {
-    let value = CompactBinary("test".to_string());
-    assert_ser_tokens_readable(&value, &[Token::String("test")], Some(true));
-
-    assert_ser_tokens_readable(&value, &[Token::Bytes(b"test")], Some(false));
-}