diff --git a/pkgs/build-support/emacs/generic.nix b/pkgs/build-support/emacs/generic.nix
index ef154982ad06..1b81dbcf9ed7 100644
--- a/pkgs/build-support/emacs/generic.nix
+++ b/pkgs/build-support/emacs/generic.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation ({
 
     find $out/share/emacs -type f -name '*.el' -print0 \
       | xargs -0 -n 1 -I {} -P $NIX_BUILD_CORES sh -c \
-          "emacs --batch -f batch-native-compile {} || true"
+          "emacs --batch --eval '(setq large-file-warning-threshold nil)' -f batch-native-compile {} || true"
   '';
 }
 
diff --git a/pkgs/build-support/emacs/melpa2nix.el b/pkgs/build-support/emacs/melpa2nix.el
index bd2aadd5aeb5..383423af0818 100644
--- a/pkgs/build-support/emacs/melpa2nix.el
+++ b/pkgs/build-support/emacs/melpa2nix.el
@@ -8,6 +8,9 @@
 (setq package-build-archive-dir (expand-file-name "packages/"))
 (setq package-build-recipes-dir (expand-file-name "recipes/"))
 
+;; Allow installing package tarfiles larger than 10MB
+(setq large-file-warning-threshold nil)
+
 (defun melpa2nix-build-package ()
   (if (not noninteractive)
       (error "`melpa2nix-build-package' is to be used only with -batch"))