diff --git a/lib/std/Build/Cache.zig b/lib/std/Build/Cache.zig
index 58d6aeac03f4beabadc1b7e665987fa712199e01..874a511e9e030b852e84ebabc8ee115329a4c9cf 100644
--- a/lib/std/Build/Cache.zig
+++ b/lib/std/Build/Cache.zig
@@ -1531,6 +1531,8 @@ pub const Manifest = struct {
         }
         m.files.deinit(gpa);
         m.contents.deinit(gpa);
+        m.input_paths.deinit(gpa);
+        m.all_input_content.deinit(gpa);
         m.* = undefined;
     }