diff --git a/cargo.pm b/cargo.pm
index 013785e..53507b1 100644
--- a/cargo.pm
+++ b/cargo.pm
@@ -170,6 +170,7 @@ sub install {
         my $destdir = $ENV{'DESTDIR'} || $this->get_sourcepath("debian/" . $this->{binpkg});
         doit("env", "DESTDIR=$destdir",
              "/usr/share/cargo/bin/cargo", "install", @_);
+        doit('find', $destdir, '-name', '.crates2.json', '-exec', 'rm', '{}', '+');
         # generate Built-Using fields
         doit("/usr/share/cargo/bin/dh-cargo-built-using", $this->{binpkg});
     }