diff --git a/compiler/rustc_middle/src/ty/assoc.rs b/compiler/rustc_middle/src/ty/assoc.rs
index 5af4eef40d436..7fefc2530c625 100644
--- a/compiler/rustc_middle/src/ty/assoc.rs
+++ b/compiler/rustc_middle/src/ty/assoc.rs
@@ -44,7 +44,6 @@ impl AssocItemContainer {
 #[derive(Copy, Clone, Debug, PartialEq, HashStable, Eq, Hash)]
 pub struct AssocItem {
     pub def_id: DefId,
-    #[stable_hasher(project(name))]
     pub ident: Ident,
     pub kind: AssocKind,
     pub vis: Visibility,
diff --git a/src/test/incremental/hashes/inherent_impls.rs b/src/test/incremental/hashes/inherent_impls.rs
index 3a59377e81969..13b1b4005e504 100644
--- a/src/test/incremental/hashes/inherent_impls.rs
+++ b/src/test/incremental/hashes/inherent_impls.rs
@@ -210,7 +210,7 @@ impl Foo {
 impl Foo {
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(cfg="cfail5", except="associated_item")]
     #[rustc_clean(cfg="cfail6")]
     pub fn add_method_to_impl1(&self) { }
 
@@ -704,7 +704,7 @@ impl<T> Bar<T> {
     #[rustc_clean(cfg="cfail3")]
     #[rustc_clean(
         cfg="cfail5",
-        except="generics_of,fn_sig,typeck,type_of,optimized_mir"
+        except="generics_of,fn_sig,typeck,type_of,optimized_mir,associated_item"
     )]
     #[rustc_clean(cfg="cfail6")]
     pub fn add_type_parameter_to_impl(&self) { }
@@ -726,7 +726,7 @@ impl Bar<u32> {
 impl Bar<u64> {
     #[rustc_clean(cfg="cfail2", except="fn_sig,optimized_mir,typeck")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5", except="fn_sig,optimized_mir,typeck")]
+    #[rustc_clean(cfg="cfail5", except="fn_sig,optimized_mir,typeck,associated_item")]
     #[rustc_clean(cfg="cfail6")]
     pub fn change_impl_self_type(&self) { }
 }
@@ -747,7 +747,7 @@ impl<T> Bar<T> {
 impl<T: 'static> Bar<T> {
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(cfg="cfail5", except="associated_item")]
     #[rustc_clean(cfg="cfail6")]
     pub fn add_lifetime_bound_to_impl_parameter(&self) { }
 }
@@ -768,7 +768,7 @@ impl<T> Bar<T> {
 impl<T: Clone> Bar<T> {
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(cfg="cfail5", except="associated_item")]
     #[rustc_clean(cfg="cfail6")]
     pub fn add_trait_bound_to_impl_parameter(&self) { }
 }
diff --git a/src/test/incremental/hashes/trait_defs.rs b/src/test/incremental/hashes/trait_defs.rs
index 14d6fc87198c4..a612b54b3ecd9 100644
--- a/src/test/incremental/hashes/trait_defs.rs
+++ b/src/test/incremental/hashes/trait_defs.rs
@@ -405,7 +405,7 @@ trait TraitAddUnsafeModifier {
 trait TraitAddUnsafeModifier {
     #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail5")]
+    #[rustc_clean(except="hir_owner,fn_sig,associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     unsafe fn method();
 }
@@ -430,7 +430,7 @@ trait TraitAddExternModifier {
 trait TraitAddExternModifier {
     #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(except="hir_owner,fn_sig", cfg="cfail5")]
+    #[rustc_clean(except="hir_owner,fn_sig,associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     extern "C" fn method();
 }
@@ -850,7 +850,7 @@ trait TraitAddInitializerToAssociatedConstant {
 
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(except="associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     fn method();
 }
diff --git a/src/test/incremental/hashes/trait_impls.rs b/src/test/incremental/hashes/trait_impls.rs
index d623810115ee8..f7e93f40a15a7 100644
--- a/src/test/incremental/hashes/trait_impls.rs
+++ b/src/test/incremental/hashes/trait_impls.rs
@@ -1,3 +1,4 @@
+// ignore-tidy-linelength
 // This test case tests the incremental compilation hash (ICH) implementation
 // for let expressions.
 
@@ -470,7 +471,7 @@ impl<TTT> AddTypeParameterToImpl<TTT> for Bar<TTT> {
     )]
     #[rustc_clean(cfg="cfail3")]
     #[rustc_clean(
-        except="hir_owner,hir_owner_nodes,generics_of,fn_sig,type_of,typeck,optimized_mir",
+        except="hir_owner,hir_owner_nodes,generics_of,fn_sig,type_of,typeck,optimized_mir,associated_item",
         cfg="cfail5",
     )]
     #[rustc_clean(cfg="cfail6")]
@@ -497,7 +498,7 @@ impl ChangeSelfTypeOfImpl for u32 {
 impl ChangeSelfTypeOfImpl for u64 {
     #[rustc_clean(except="fn_sig,typeck,optimized_mir", cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(except="fn_sig,typeck,optimized_mir", cfg="cfail5")]
+    #[rustc_clean(except="fn_sig,typeck,optimized_mir,associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     fn id(self) -> Self { self }
 }
@@ -522,7 +523,7 @@ impl<T> AddLifetimeBoundToImplParameter for T {
 impl<T: 'static> AddLifetimeBoundToImplParameter for T {
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(except="associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     fn id(self) -> Self { self }
 }
@@ -547,7 +548,7 @@ impl<T> AddTraitBoundToImplParameter for T {
 impl<T: Clone> AddTraitBoundToImplParameter for T {
     #[rustc_clean(cfg="cfail2")]
     #[rustc_clean(cfg="cfail3")]
-    #[rustc_clean(cfg="cfail5")]
+    #[rustc_clean(except="associated_item", cfg="cfail5")]
     #[rustc_clean(cfg="cfail6")]
     fn id(self) -> Self { self }
 }