diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index 90f99ea49e..1fe08720d1 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -320,8 +320,7 @@ (define-public openssl
               "static"))    ;6.4 MiB of .a files
    (native-inputs `(("perl" ,perl)))
    (arguments
-    `(#:parallel-build? #f
-      #:parallel-tests? #f
+    `(#:parallel-tests? #f
       #:test-target "test"
 
       ;; Changes to OpenSSL sometimes cause Perl to "sneak in" to the closure,