diff --git a/lib/std/Build/Cache.zig b/lib/std/Build/Cache.zig
index 40bc3678a054c80da475f4ac1fcd930cb123ab70..9bb44df1a6aa0560e39382642f136de519f6e751 100644
--- a/lib/std/Build/Cache.zig
+++ b/lib/std/Build/Cache.zig
@@ -1734,7 +1734,6 @@ pub const Manifest = struct {
                 hasher.update(contents);
                 hasher.final(&header.digest);
             }
-            m.hash.hasher.update(&header.digest);
             return;
         }