diff --git a/src/iter/mod.rs b/src/iter/mod.rs
index 963457229..c7e3a0d99 100644
--- a/src/iter/mod.rs
+++ b/src/iter/mod.rs
@@ -3536,6 +3536,7 @@ mod private {
         fn from_residual(residual: Self::Residual) -> Self {
             match residual {
                 Break(b) => Break(b),
+                #[allow(unreachable_patterns)]
                 Continue(_) => unreachable!(),
             }
         }
@@ -3561,6 +3562,7 @@ mod private {
         fn from_residual(residual: Self::Residual) -> Self {
             match residual {
                 None => None,
+                #[allow(unreachable_patterns)]
                 Some(_) => unreachable!(),
             }
         }
@@ -3586,6 +3588,7 @@ mod private {
         fn from_residual(residual: Self::Residual) -> Self {
             match residual {
                 Err(e) => Err(e),
+                #[allow(unreachable_patterns)]
                 Ok(_) => unreachable!(),
             }
         }
@@ -3611,6 +3614,7 @@ mod private {
         fn from_residual(residual: Self::Residual) -> Self {
             match residual {
                 Err(e) => Poll::Ready(Err(e)),
+                #[allow(unreachable_patterns)]
                 Ok(_) => unreachable!(),
             }
         }
@@ -3640,6 +3644,7 @@ mod private {
         fn from_residual(residual: Self::Residual) -> Self {
             match residual {
                 Err(e) => Poll::Ready(Some(Err(e))),
+                #[allow(unreachable_patterns)]
                 Ok(_) => unreachable!(),
             }
         }