diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index 7fab21679e..c39a568e2b 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -4168,11 +4168,15 @@ (define-public texlive-amsmath
              (add-before 'copy-files 'unchdir
                (lambda _
                  (chdir "../../..")))
-             (add-after 'copy-files 'delete-extra-files
-               (lambda* (#:key outputs #:allow-other-keys)
-                 (delete-file-recursively
-                  (string-append (assoc-ref outputs "out")
-                                 "/share/texmf-dist/source/latex/amsmath/build"))))))))
+             (replace 'copy-files
+               (lambda* (#:key inputs outputs #:allow-other-keys)
+                 (let ((origin (assoc-ref inputs "source"))
+                       (source (string-append (assoc-ref outputs "out")
+                                              "/share/texmf-dist/source"))
+                       (doc (string-append (assoc-ref outputs "doc")
+                                           "/share/texmf-dist/doc")))
+                   (copy-recursively (string-append origin "/source") source)
+                   (copy-recursively (string-append origin "/doc") doc))))))))
       (home-page "https://www.ctan.org/pkg/amsmath")
       (synopsis "AMS mathematical facilities for LaTeX")
       (description