diff --git a/serde/src/private/de.rs b/serde/src/private/de.rs
index a6138262..18335d00 100644
--- a/serde/src/private/de.rs
+++ b/serde/src/private/de.rs
@@ -1420,7 +1420,6 @@ mod content {
                 Content::ByteBuf(v) => visitor.visit_byte_buf(v),
                 Content::Bytes(v) => visitor.visit_borrowed_bytes(v),
                 Content::U8(v) => visitor.visit_u8(v),
-                Content::U32(v) => visitor.visit_u32(v),
                 _ => Err(self.invalid_type(&visitor)),
             }
         }
@@ -2124,7 +2123,6 @@ mod content {
                 Content::ByteBuf(ref v) => visitor.visit_bytes(v),
                 Content::Bytes(v) => visitor.visit_borrowed_bytes(v),
                 Content::U8(v) => visitor.visit_u8(v),
-                Content::U32(v) => visitor.visit_u32(v),
                 _ => Err(self.invalid_type(&visitor)),
             }
         }