1 files changed, 0 insertions, 8 deletions
diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs
index 0c91dc6d3c6..582a1806688 100644
--- a/compiler/rustc_middle/src/mir/coverage.rs
+++ b/compiler/rustc_middle/src/mir/coverage.rs
@@ -33,10 +33,6 @@ rustc_index::newtype_index! {
     pub struct CounterId {}
 }
 
-impl CounterId {
-    pub const START: Self = Self::ZERO;
-}
-
 rustc_index::newtype_index! {
     /// ID of a coverage-counter expression. Values ascend from 0.
     ///
@@ -55,10 +51,6 @@ rustc_index::newtype_index! {
     pub struct ExpressionId {}
 }
 
-impl ExpressionId {
-    pub const START: Self = Self::ZERO;
-}
-
 /// Enum that can hold a constant zero value, the ID of an physical coverage
 /// counter, or the ID of a coverage-counter expression.
 ///