diff --git a/instant-xml/tests/de-ns.rs b/instant-xml/tests/de-ns.rs
index d0e931b..2caec63 100644
--- a/instant-xml/tests/de-ns.rs
+++ b/instant-xml/tests/de-ns.rs
@@ -10,7 +10,7 @@ struct NestedWrongNamespace {
 #[derive(Debug, Eq, PartialEq, FromXml)]
 #[xml(ns("URI", bar = "BAZ"))]
 struct NestedDe {
-    #[xml(ns(bar))]
+    #[xml(ns("BAZ"))]
     flag: bool,
 }
 
@@ -78,7 +78,7 @@ fn default_namespaces() {
 #[derive(Debug, Eq, PartialEq, FromXml)]
 #[xml(ns("URI", bar = "BAZ"))]
 struct NestedOtherNamespace {
-    #[xml(ns(bar))]
+    #[xml(ns("BAZ"))]
     flag: bool,
 }
 
diff --git a/instant-xml/tests/ser-child-ns.rs b/instant-xml/tests/ser-child-ns.rs
index 7948d19..8e83398 100644
--- a/instant-xml/tests/ser-child-ns.rs
+++ b/instant-xml/tests/ser-child-ns.rs
@@ -5,8 +5,6 @@ use instant_xml::{to_string, ToXml};
 #[derive(Debug, Eq, PartialEq, ToXml)]
 #[xml(ns(dar = "BAZ", internal = "INTERNAL"))]
 struct NestedDifferentNamespace {
-    #[xml(ns(dar))]
-    flag_parent_prefix: bool,
     #[xml(ns(internal))]
     flag_internal_prefix: bool,
 }
@@ -35,7 +33,6 @@ fn struct_child_namespaces() {
     assert_eq!(
         to_string(&StructChildNamespaces {
             different_child_namespace: NestedDifferentNamespace {
-                flag_parent_prefix: true,
                 flag_internal_prefix: false,
             },
             same_child_namespace: Nested {
@@ -44,6 +41,6 @@ fn struct_child_namespaces() {
             },
         })
         .unwrap(),
-        "<StructChildNamespaces xmlns=\"URI\" xmlns:bar=\"BAZ\" xmlns:foo=\"BAR\"><NestedDifferentNamespace xmlns=\"\" xmlns:internal=\"INTERNAL\"><bar:flag_parent_prefix>true</bar:flag_parent_prefix><internal:flag_internal_prefix>false</internal:flag_internal_prefix></NestedDifferentNamespace><Nested xmlns:internal=\"INTERNAL\"><bar:flag_parent_prefix>true</bar:flag_parent_prefix><internal:flag_internal_prefix>false</internal:flag_internal_prefix></Nested></StructChildNamespaces>"
+        "<StructChildNamespaces xmlns=\"URI\" xmlns:bar=\"BAZ\" xmlns:foo=\"BAR\"><NestedDifferentNamespace xmlns=\"\" xmlns:internal=\"INTERNAL\"><internal:flag_internal_prefix>false</internal:flag_internal_prefix></NestedDifferentNamespace><Nested xmlns:internal=\"INTERNAL\"><bar:flag_parent_prefix>true</bar:flag_parent_prefix><internal:flag_internal_prefix>false</internal:flag_internal_prefix></Nested></StructChildNamespaces>"
     );
 }
diff --git a/instant-xml/tests/ser-named.rs b/instant-xml/tests/ser-named.rs
index f8083de..cd25283 100644
--- a/instant-xml/tests/ser-named.rs
+++ b/instant-xml/tests/ser-named.rs
@@ -6,7 +6,7 @@ use instant_xml::{to_string, ToXml};
 #[xml(ns(bar = "BAZ", foo = "BAR"))]
 struct StructWithNamedFields {
     flag: bool,
-    #[xml(ns(bar))]
+    #[xml(ns("BAZ"))]
     string: String,
     #[xml(ns("typo"))]
     number: i32,
diff --git a/instant-xml/tests/ser-nested.rs b/instant-xml/tests/ser-nested.rs
index 415d84b..bd8ae56 100644
--- a/instant-xml/tests/ser-nested.rs
+++ b/instant-xml/tests/ser-nested.rs
@@ -5,8 +5,6 @@ use instant_xml::{to_string, ToXml};
 #[derive(Debug, Eq, PartialEq, ToXml)]
 #[xml(ns("URI", dar = "BAZ", internal = "INTERNAL"))]
 struct Nested {
-    #[xml(ns(dar))]
-    flag_parent_prefix: bool,
     #[xml(ns(internal))]
     flag_internal_prefix: bool,
 }
@@ -18,8 +16,6 @@ struct StructWithCustomField {
     int_attribute: i32,
     #[xml(ns("BAZ"))]
     flag_direct_namespace_same_the_same_as_prefix: bool,
-    #[xml(ns(bar))]
-    flag_prefix: bool,
     #[xml(ns("DIFFERENT"))]
     flag_direct_namespace: bool,
     test: Nested,
@@ -40,14 +36,12 @@ fn struct_with_custom_field() {
         to_string(&StructWithCustomField {
             int_attribute: 42,
             flag_direct_namespace_same_the_same_as_prefix: true,
-            flag_prefix: false,
             flag_direct_namespace: true,
             test: Nested {
-                flag_parent_prefix: true,
                 flag_internal_prefix: false,
             },
         })
         .unwrap(),
-        "<StructWithCustomField xmlns=\"URI\" xmlns:bar=\"BAZ\" xmlns:foo=\"BAR\" int_attribute=\"42\"><flag_direct_namespace_same_the_same_as_prefix xmlns=\"BAZ\">true</flag_direct_namespace_same_the_same_as_prefix><bar:flag_prefix>false</bar:flag_prefix><flag_direct_namespace xmlns=\"DIFFERENT\">true</flag_direct_namespace><Nested xmlns:internal=\"INTERNAL\"><bar:flag_parent_prefix>true</bar:flag_parent_prefix><internal:flag_internal_prefix>false</internal:flag_internal_prefix></Nested></StructWithCustomField>"
+        "<StructWithCustomField xmlns=\"URI\" xmlns:bar=\"BAZ\" xmlns:foo=\"BAR\" int_attribute=\"42\"><flag_direct_namespace_same_the_same_as_prefix xmlns=\"BAZ\">true</flag_direct_namespace_same_the_same_as_prefix><flag_direct_namespace xmlns=\"DIFFERENT\">true</flag_direct_namespace><Nested xmlns:internal=\"INTERNAL\"><internal:flag_internal_prefix>false</internal:flag_internal_prefix></Nested></StructWithCustomField>"
     );
 }