diff --git a/cros_async/src/mem.rs b/cros_async/src/mem.rs
index f90df470d8..bf612b7dee 100644
--- a/cros_async/src/mem.rs
+++ b/cros_async/src/mem.rs
@@ -68,9 +68,9 @@ impl From<Vec<u8>> for VecIoWrapper {
     }
 }
 
-impl Into<Vec<u8>> for VecIoWrapper {
-    fn into(self) -> Vec<u8> {
-        self.inner.into()
+impl From<VecIoWrapper> for Vec<u8> {
+    fn from(v: VecIoWrapper) -> Vec<u8> {
+        v.inner.into()
     }
 }
 
diff --git a/kernel_cmdline/src/kernel_cmdline.rs b/kernel_cmdline/src/kernel_cmdline.rs
index c836e12623..ad040ecdda 100644
--- a/kernel_cmdline/src/kernel_cmdline.rs
+++ b/kernel_cmdline/src/kernel_cmdline.rs
@@ -139,9 +139,9 @@ impl Cmdline {
     }
 }
 
-impl Into<Vec<u8>> for Cmdline {
-    fn into(self) -> Vec<u8> {
-        self.line.into_bytes()
+impl From<Cmdline> for Vec<u8> {
+    fn from(c: Cmdline) -> Vec<u8> {
+        c.line.into_bytes()
     }
 }