diff --git a/test_suite/tests/test_de.rs b/test_suite/tests/test_de.rs
index 8d21844c..ab7b112e 100644
--- a/test_suite/tests/test_de.rs
+++ b/test_suite/tests/test_de.rs
@@ -245,18 +245,6 @@ declare_tests! {
     }
     test_unit {
         () => &[Token::Unit],
-        () => &[
-            Token::SeqStart(Some(0)),
-            Token::SeqEnd,
-        ],
-        () => &[
-            Token::SeqStart(None),
-            Token::SeqEnd,
-        ],
-        () => &[
-            Token::TupleStructStart("Anything", 0),
-            Token::TupleStructEnd,
-        ],
     }
     test_unit_struct {
         UnitStruct => &[Token::Unit],
@@ -272,9 +260,6 @@ declare_tests! {
             Token::SeqEnd,
         ],
     }
-    test_unit_string {
-        String::new() => &[Token::Unit],
-    }
     test_tuple_struct {
         TupleStruct(1, 2, 3) => &[
             Token::SeqStart(Some(3)),
@@ -326,9 +311,6 @@ declare_tests! {
         ],
     }
     test_btreeset {
-        BTreeSet::<isize>::new() => &[
-            Token::Unit,
-        ],
         BTreeSet::<isize>::new() => &[
             Token::SeqStart(Some(0)),
             Token::SeqEnd,
@@ -355,18 +337,12 @@ declare_tests! {
                 Token::SeqEnd,
             Token::SeqEnd,
         ],
-        BTreeSet::<isize>::new() => &[
-            Token::UnitStruct("Anything"),
-        ],
         BTreeSet::<isize>::new() => &[
             Token::TupleStructStart("Anything", 0),
             Token::TupleStructEnd,
         ],
     }
     test_hashset {
-        HashSet::<isize>::new() => &[
-            Token::Unit,
-        ],
         HashSet::<isize>::new() => &[
             Token::SeqStart(Some(0)),
             Token::SeqEnd,
@@ -383,9 +359,6 @@ declare_tests! {
                 Token::I32(3),
             Token::SeqEnd,
         ],
-        HashSet::<isize>::new() => &[
-            Token::UnitStruct("Anything"),
-        ],
         HashSet::<isize>::new() => &[
             Token::TupleStructStart("Anything", 0),
             Token::TupleStructEnd,
@@ -404,9 +377,6 @@ declare_tests! {
         ],
     }
     test_vec {
-        Vec::<isize>::new() => &[
-            Token::Unit,
-        ],
         Vec::<isize>::new() => &[
             Token::SeqStart(Some(0)),
             Token::SeqEnd,
@@ -433,18 +403,12 @@ declare_tests! {
                 Token::SeqEnd,
             Token::SeqEnd,
         ],
-        Vec::<isize>::new() => &[
-            Token::UnitStruct("Anything"),
-        ],
         Vec::<isize>::new() => &[
             Token::TupleStructStart("Anything", 0),
             Token::TupleStructEnd,
         ],
     }
     test_array {
-        [0; 0] => &[
-            Token::Unit,
-        ],
         [0; 0] => &[
             Token::SeqStart(Some(0)),
             Token::SeqEnd,
@@ -497,9 +461,6 @@ declare_tests! {
                 Token::SeqEnd,
             Token::SeqEnd,
         ],
-        [0; 0] => &[
-            Token::UnitStruct("Anything"),
-        ],
         [0; 0] => &[
             Token::TupleStructStart("Anything", 0),
             Token::TupleStructEnd,
@@ -544,9 +505,6 @@ declare_tests! {
         ],
     }
     test_btreemap {
-        BTreeMap::<isize, isize>::new() => &[
-            Token::Unit,
-        ],
         BTreeMap::<isize, isize>::new() => &[
             Token::MapStart(Some(0)),
             Token::MapEnd,
@@ -589,18 +547,12 @@ declare_tests! {
                 Token::MapEnd,
             Token::MapEnd,
         ],
-        BTreeMap::<isize, isize>::new() => &[
-            Token::UnitStruct("Anything"),
-        ],
         BTreeMap::<isize, isize>::new() => &[
             Token::StructStart("Anything", 0),
             Token::StructEnd,
         ],
     }
     test_hashmap {
-        HashMap::<isize, isize>::new() => &[
-            Token::Unit,
-        ],
         HashMap::<isize, isize>::new() => &[
             Token::MapStart(Some(0)),
             Token::MapEnd,
@@ -643,9 +595,6 @@ declare_tests! {
                 Token::MapEnd,
             Token::MapEnd,
         ],
-        HashMap::<isize, isize>::new() => &[
-            Token::UnitStruct("Anything"),
-        ],
         HashMap::<isize, isize>::new() => &[
             Token::StructStart("Anything", 0),
             Token::StructEnd,