diff --git a/src/test/ui/symbol-names/trait-objects.legacy.stderr b/src/test/ui/symbol-names/trait-objects.legacy.stderr
deleted file mode 100644
index 200280c358f5b..0000000000000
--- a/src/test/ui/symbol-names/trait-objects.legacy.stderr
+++ /dev/null
@@ -1,56 +0,0 @@
-error: symbol-name(_ZN136_$LT$$RF$dyn$u20$core..ops..function..FnMut$LT$$LP$$RF$u8$C$$RP$$GT$$u2b$Output$u20$$u3d$$u20$$LP$$RP$$u20$as$u20$trait_objects..Bar$GT$6method17h1e14a5f2d365272fE)
-  --> $DIR/trait-objects.rs:15:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling(<&dyn core::ops::function::FnMut<(&u8,)>+Output = () as trait_objects::Bar>::method::h1e14a5f2d365272f)
-  --> $DIR/trait-objects.rs:15:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling-alt(<&dyn core::ops::function::FnMut<(&u8,)>+Output = () as trait_objects::Bar>::method)
-  --> $DIR/trait-objects.rs:15:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: symbol-name(_ZN159_$LT$$RF$dyn$u20$core..ops..function..FnMut$LT$$LP$$RF$u8$C$$RP$$GT$$u2b$Output$u20$$u3d$$u20$$LP$$RP$$u2b$core..marker..Send$u20$as$u20$trait_objects..Foo$GT$6method17he7a07961c9aaa367E)
-  --> $DIR/trait-objects.rs:30:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling(<&dyn core::ops::function::FnMut<(&u8,)>+Output = ()+core::marker::Send as trait_objects::Foo>::method::he7a07961c9aaa367)
-  --> $DIR/trait-objects.rs:30:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling-alt(<&dyn core::ops::function::FnMut<(&u8,)>+Output = ()+core::marker::Send as trait_objects::Foo>::method)
-  --> $DIR/trait-objects.rs:30:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: symbol-name(_ZN159_$LT$$RF$dyn$u20$core..ops..function..FnMut$LT$$LP$$RF$u8$C$$RP$$GT$$u2b$Output$u20$$u3d$$u20$$LP$$RP$$u2b$core..marker..Send$u20$as$u20$trait_objects..Baz$GT$6method17ha53e6f99bf033f0bE)
-  --> $DIR/trait-objects.rs:45:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling(<&dyn core::ops::function::FnMut<(&u8,)>+Output = ()+core::marker::Send as trait_objects::Baz>::method::ha53e6f99bf033f0b)
-  --> $DIR/trait-objects.rs:45:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: demangling-alt(<&dyn core::ops::function::FnMut<(&u8,)>+Output = ()+core::marker::Send as trait_objects::Baz>::method)
-  --> $DIR/trait-objects.rs:45:5
-   |
-LL |     #[rustc_symbol_name]
-   |     ^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 9 previous errors
-
diff --git a/src/test/ui/symbol-names/trait-objects.rs b/src/test/ui/symbol-names/trait-objects.rs
index ffbd3901b8e2a..cea1a89d75746 100644
--- a/src/test/ui/symbol-names/trait-objects.rs
+++ b/src/test/ui/symbol-names/trait-objects.rs
@@ -1,9 +1,10 @@
 // Ensure that trait objects don't include more than one binder. See #83611
 
 // build-fail
-// revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy
-    //[v0]compile-flags: -Z symbol-mangling-version=v0
+// revisions: v0
+//[v0]compile-flags: -Z symbol-mangling-version=v0
+//[v0]normalize-stderr-test: "Cs.*?_" -> "CRATE_HASH"
+//[v0]normalize-stderr-test: "core\[.*?\]" -> "core[HASH]"
 
 #![feature(rustc_attrs)]
 
@@ -13,10 +14,7 @@ trait Bar {
 
 impl Bar for &dyn FnMut(&u8) {
     #[rustc_symbol_name]
-    //[legacy]~^ ERROR symbol-name
-    //[legacy]~| ERROR demangling
-    //[legacy]~| ERROR demangling-alt
-    //[v0]~^^^^ ERROR symbol-name
+    //[v0]~^ ERROR symbol-name
     //[v0]~| ERROR demangling
     //[v0]~| ERROR demangling-alt
     fn method(&self) {}
@@ -28,10 +26,7 @@ trait Foo {
 
 impl Foo for &(dyn FnMut(&u8) + for<'b> Send) {
     #[rustc_symbol_name]
-    //[legacy]~^ ERROR symbol-name
-    //[legacy]~| ERROR demangling
-    //[legacy]~| ERROR demangling-alt
-    //[v0]~^^^^ ERROR symbol-name
+    //[v0]~^ ERROR symbol-name
     //[v0]~| ERROR demangling
     //[v0]~| ERROR demangling-alt
     fn method(&self) {}
@@ -43,10 +38,7 @@ trait Baz {
 
 impl Baz for &(dyn for<'b> Send + FnMut(&u8)) {
     #[rustc_symbol_name]
-    //[legacy]~^ ERROR symbol-name
-    //[legacy]~| ERROR demangling
-    //[legacy]~| ERROR demangling-alt
-    //[v0]~^^^^ ERROR symbol-name
+    //[v0]~^ ERROR symbol-name
     //[v0]~| ERROR demangling
     //[v0]~| ERROR demangling-alt
     fn method(&self) {}
diff --git a/src/test/ui/symbol-names/trait-objects.v0.stderr b/src/test/ui/symbol-names/trait-objects.v0.stderr
index 7a29f44718af9..2b09318f06c74 100644
--- a/src/test/ui/symbol-names/trait-objects.v0.stderr
+++ b/src/test/ui/symbol-names/trait-objects.v0.stderr
@@ -1,53 +1,53 @@
-error: symbol-name(_RNvXCs21hi0yVfW1J_13trait_objectsRDG_INtNtNtCs54lBhuwykzk_4core3ops8function5FnMutTRL0_hEEp6OutputuEL_NtB2_3Bar6method)
-  --> $DIR/trait-objects.rs:15:5
+error: symbol-name(_RNvXCRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3ops8function5FnMutTRL0_hEEp6OutputuEL_NtB2_3Bar6method)
+  --> $DIR/trait-objects.rs:16:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: demangling(<&dyn for<'a> core[3b0e14d6e1ad42d0]::ops::function::FnMut<(&'a u8,), Output = ()> as trait_objects[17891616a171812d]::Bar>::method)
-  --> $DIR/trait-objects.rs:15:5
+error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> as trait_objects[17891616a171812d]::Bar>::method)
+  --> $DIR/trait-objects.rs:16:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: demangling-alt(<&dyn for<'a> core::ops::function::FnMut<(&'a u8,), Output = ()> as trait_objects::Bar>::method)
-  --> $DIR/trait-objects.rs:15:5
+  --> $DIR/trait-objects.rs:16:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: symbol-name(_RNvXs_Cs21hi0yVfW1J_13trait_objectsRDG_INtNtNtCs54lBhuwykzk_4core3ops8function5FnMutTRL0_hEEp6OutputuNtNtBI_6marker4SendEL_NtB4_3Foo6method)
-  --> $DIR/trait-objects.rs:30:5
+error: symbol-name(_RNvXs_CRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3ops8function5FnMutTRL0_hEEp6OutputuNtNtBI_6marker4SendEL_NtB4_3Foo6method)
+  --> $DIR/trait-objects.rs:28:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: demangling(<&dyn for<'a> core[3b0e14d6e1ad42d0]::ops::function::FnMut<(&'a u8,), Output = ()> + core[3b0e14d6e1ad42d0]::marker::Send as trait_objects[17891616a171812d]::Foo>::method)
-  --> $DIR/trait-objects.rs:30:5
+error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[17891616a171812d]::Foo>::method)
+  --> $DIR/trait-objects.rs:28:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: demangling-alt(<&dyn for<'a> core::ops::function::FnMut<(&'a u8,), Output = ()> + core::marker::Send as trait_objects::Foo>::method)
-  --> $DIR/trait-objects.rs:30:5
+  --> $DIR/trait-objects.rs:28:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: symbol-name(_RNvXs0_Cs21hi0yVfW1J_13trait_objectsRDG_INtNtNtCs54lBhuwykzk_4core3ops8function5FnMutTRL0_hEEp6OutputuNtNtBJ_6marker4SendEL_NtB5_3Baz6method)
-  --> $DIR/trait-objects.rs:45:5
+error: symbol-name(_RNvXs0_CRATE_HASH13trait_objectsRDG_INtNtNtCRATE_HASH4core3ops8function5FnMutTRL0_hEEp6OutputuNtNtBJ_6marker4SendEL_NtB5_3Baz6method)
+  --> $DIR/trait-objects.rs:40:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: demangling(<&dyn for<'a> core[3b0e14d6e1ad42d0]::ops::function::FnMut<(&'a u8,), Output = ()> + core[3b0e14d6e1ad42d0]::marker::Send as trait_objects[17891616a171812d]::Baz>::method)
-  --> $DIR/trait-objects.rs:45:5
+error: demangling(<&dyn for<'a> core[HASH]::ops::function::FnMut<(&'a u8,), Output = ()> + core[HASH]::marker::Send as trait_objects[17891616a171812d]::Baz>::method)
+  --> $DIR/trait-objects.rs:40:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^
 
 error: demangling-alt(<&dyn for<'a> core::ops::function::FnMut<(&'a u8,), Output = ()> + core::marker::Send as trait_objects::Baz>::method)
-  --> $DIR/trait-objects.rs:45:5
+  --> $DIR/trait-objects.rs:40:5
    |
 LL |     #[rustc_symbol_name]
    |     ^^^^^^^^^^^^^^^^^^^^