diff --git a/xmpp-parsers/src/ibr.rs b/xmpp-parsers/src/ibr.rs
index 5dc5843d578ac6843d8ad079d3a9956f3e9cbf8d..ecc0836f1cb2c5e983686e3aff31582128198cbd 100644
--- a/xmpp-parsers/src/ibr.rs
+++ b/xmpp-parsers/src/ibr.rs
@@ -120,7 +120,7 @@ mod tests {
     #[cfg(target_pointer_width = "32")]
     #[test]
     fn test_size() {
-        assert_size!(Query, 96);
+        assert_size!(Query, 88);
     }
 
     #[cfg(target_pointer_width = "64")]
diff --git a/xmpp-parsers/src/iq.rs b/xmpp-parsers/src/iq.rs
index 49500c89e12c0ae2b6944c8e858f5a40ff7191c4..5b7d5a6f66cbf75924e83c61f69264830e8cb841 100644
--- a/xmpp-parsers/src/iq.rs
+++ b/xmpp-parsers/src/iq.rs
@@ -223,8 +223,8 @@ mod tests {
     #[cfg(target_pointer_width = "32")]
     #[test]
     fn test_size() {
-        assert_size!(IqType, 112);
-        assert_size!(Iq, 204);
+        assert_size!(IqType, 136);
+        assert_size!(Iq, 228);
     }
 
     #[cfg(target_pointer_width = "64")]
diff --git a/xmpp-parsers/src/jingle.rs b/xmpp-parsers/src/jingle.rs
index e32110e3eff90e738819cf8c2c682b4a51650c26..31cb838852ac4963bbf8fb0e051d05c7d925e6e4 100644
--- a/xmpp-parsers/src/jingle.rs
+++ b/xmpp-parsers/src/jingle.rs
@@ -655,7 +655,7 @@ mod tests {
         assert_size!(Senders, 1);
         assert_size!(Disposition, 1);
         assert_size!(ContentId, 12);
-        assert_size!(Content, 204);
+        assert_size!(Content, 252);
         assert_size!(Reason, 1);
         assert_size!(ReasonElement, 16);
         assert_size!(SessionId, 12);
diff --git a/xmpp-parsers/src/jingle_message.rs b/xmpp-parsers/src/jingle_message.rs
index 52caa4e41e1bb6cb9f20cbb48814d125cdf25d13..bfc8abbf8054bea5192c46de497a0cf6e4af97ba 100644
--- a/xmpp-parsers/src/jingle_message.rs
+++ b/xmpp-parsers/src/jingle_message.rs
@@ -110,7 +110,7 @@ mod tests {
     #[cfg(target_pointer_width = "32")]
     #[test]
     fn test_size() {
-        assert_size!(JingleMI, 68);
+        assert_size!(JingleMI, 92);
     }
 
     #[cfg(target_pointer_width = "64")]
diff --git a/xmpp-parsers/src/stanza_error.rs b/xmpp-parsers/src/stanza_error.rs
index a3a3f15c4fab7b614c501f15553d36032741b460..865577ebc454e3a1ef5cf92c1c959569a14ed553 100644
--- a/xmpp-parsers/src/stanza_error.rs
+++ b/xmpp-parsers/src/stanza_error.rs
@@ -318,7 +318,7 @@ mod tests {
     fn test_size() {
         assert_size!(ErrorType, 1);
         assert_size!(DefinedCondition, 1);
-        assert_size!(StanzaError, 108);
+        assert_size!(StanzaError, 132);
     }
 
     #[cfg(target_pointer_width = "64")]
diff --git a/xmpp-parsers/src/tune.rs b/xmpp-parsers/src/tune.rs
index e38dbe007877f416b0ed9746ceacc94c93a6ce6e..e80dad4b6e04e271eb32f9f3ee8cfebc5fc380f1 100644
--- a/xmpp-parsers/src/tune.rs
+++ b/xmpp-parsers/src/tune.rs
@@ -180,9 +180,8 @@ mod tests {
 
     #[cfg(target_pointer_width = "32")]
     #[test]
-    #[ignore]
     fn test_size() {
-        assert_size!(Tune, 64);
+        assert_size!(Tune, 68);
         assert_size!(Artist, 12);
         assert_size!(Length, 2);
         assert_size!(Rating, 1);
diff --git a/xmpp-parsers/src/xhtml.rs b/xmpp-parsers/src/xhtml.rs
index 29aea95bd4f81a7e1c56b6d2de379ad5aeff2934..390cc99770c263640cef9b5b6728a6bcdeacd75e 100644
--- a/xmpp-parsers/src/xhtml.rs
+++ b/xmpp-parsers/src/xhtml.rs
@@ -507,11 +507,10 @@ mod tests {
 
     #[cfg(target_pointer_width = "32")]
     #[test]
-    #[ignore]
     fn test_size() {
-        assert_size!(XhtmlIm, 0);
-        assert_size!(Child, 0);
-        assert_size!(Tag, 0);
+        assert_size!(XhtmlIm, 32);
+        assert_size!(Child, 56);
+        assert_size!(Tag, 52);
     }
 
     #[cfg(target_pointer_width = "64")]