diff --git a/compiler/rustc_data_structures/src/fingerprint.rs b/compiler/rustc_data_structures/src/fingerprint.rs
index c7c0d0ab0725d..e79c9f2d76cb5 100644
--- a/compiler/rustc_data_structures/src/fingerprint.rs
+++ b/compiler/rustc_data_structures/src/fingerprint.rs
@@ -196,7 +196,6 @@ impl<D: Decoder> Decodable<D> for Fingerprint {
 //
 // The wrapped `Fingerprint` is private to reduce the chance of a client
 // invoking undefined behavior by taking a reference to the packed field.
-#[cfg_attr(any(target_arch = "x86", target_arch = "x86_64"), repr(packed))]
 #[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Copy, Hash)]
 pub struct PackedFingerprint(Fingerprint);
 
diff --git a/compiler/rustc_middle/src/dep_graph/dep_node.rs b/compiler/rustc_middle/src/dep_graph/dep_node.rs
index 0033a1cd2337b..b147bc0969d36 100644
--- a/compiler/rustc_middle/src/dep_graph/dep_node.rs
+++ b/compiler/rustc_middle/src/dep_graph/dep_node.rs
@@ -502,9 +502,6 @@ mod size_asserts {
     use super::*;
     // tidy-alphabetical-start
     static_assert_size!(DepKind, 2);
-    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
-    static_assert_size!(DepNode, 18);
-    #[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
     static_assert_size!(DepNode, 24);
     // tidy-alphabetical-end
 }