diff --git a/compiler/rustc_hir_typeck/messages.ftl b/compiler/rustc_hir_typeck/messages.ftl
index 2c537bf4064ae..6d40df7d0ccfa 100644
--- a/compiler/rustc_hir_typeck/messages.ftl
+++ b/compiler/rustc_hir_typeck/messages.ftl
@@ -3,21 +3,6 @@ hir_typeck_field_multiply_specified_in_initializer =
     .label = used more than once
     .previous_use_label = first use of `{$ident}`
 
-hir_typeck_copy_impl_on_type_with_dtor =
-    the trait `Copy` cannot be implemented for this type; the type has a destructor
-    .label = `Copy` not allowed on types with destructors
-
-hir_typeck_multiple_relaxed_default_bounds =
-    type parameter has more than one relaxed default bound, only one is supported
-
-hir_typeck_copy_impl_on_non_adt =
-    the trait `Copy` cannot be implemented for this type
-    .label = type is not a structure or enumeration
-
-hir_typeck_trait_object_declared_with_no_traits =
-    at least one trait is required for an object type
-    .alias_span = this alias does not contain a trait
-
 hir_typeck_functional_record_update_on_non_struct =
     functional record update syntax requires a struct