diff --git a/pkgs/applications/editors/emacs/clean-env.patch b/pkgs/applications/editors/emacs/clean-env.patch
index 88befda899a7..2ffe8b777a00 100644
--- a/pkgs/applications/editors/emacs/clean-env.patch
+++ b/pkgs/applications/editors/emacs/clean-env.patch
@@ -2,14 +2,15 @@ Dump temacs in an empty environment to prevent -dev paths from ending
 up in the dumped image.
 
 diff --git a/src/Makefile.in b/src/Makefile.in
+index fd05a45df5..13f529c253 100644
 --- a/src/Makefile.in
 +++ b/src/Makefile.in
-@@ -535,7 +535,7 @@ ifeq ($(CANNOT_DUMP),yes)
- 	ln -f temacs$(EXEEXT) $@
- else
- 	unset EMACS_HEAP_EXEC; \
--	LC_ALL=C $(RUN_TEMACS) -batch $(BUILD_DETAILS) -l loadup dump
-+	env -i LC_ALL=C $(RUN_TEMACS) -batch $(BUILD_DETAILS) -l loadup dump
+@@ -570,7 +570,7 @@ emacs$(EXEEXT): temacs$(EXEEXT) \
+                 lisp.mk $(etc)/DOC $(lisp) \
+                 $(lispsource)/international/charprop.el ${charsets}
+ ifeq ($(DUMPING),unexec)
+-	LC_ALL=C $(RUN_TEMACS) -batch $(BUILD_DETAILS) -l loadup --temacs=dump
++	env -i LC_ALL=C $(RUN_TEMACS) -batch $(BUILD_DETAILS) -l loadup --temacs=dump
    ifneq ($(PAXCTL_dumped),)
- 	$(PAXCTL_dumped) $@
+ 	      $(PAXCTL_dumped) emacs$(EXEEXT)
    endif
diff --git a/pkgs/applications/editors/emacs/default.nix b/pkgs/applications/editors/emacs/default.nix
index b88aa00d42d4..1bfe9be6175b 100644
--- a/pkgs/applications/editors/emacs/default.nix
+++ b/pkgs/applications/editors/emacs/default.nix
@@ -32,7 +32,7 @@ assert withXwidgets -> withGTK3 && webkitgtk != null;
 
 
 let
-  version = "26.3";
+  version = "27.1";
   versionModifier = "";
   name = "emacs-${version}${versionModifier}";
 
@@ -41,7 +41,7 @@ in stdenv.mkDerivation {
 
   src = fetchurl {
     url = "mirror://gnu/emacs/${name}.tar.xz";
-    sha256 = "119ldpk7sgn9jlpyngv5y4z3i7bb8q3xp4p0qqi7i5nq39syd42d";
+    sha256 = "0h9f2wpmp6rb5rfwvqwv1ia1nw86h74p7hnz3vb3gjazj67i4k2a";
   };
 
   enableParallelBuilding = true;
@@ -49,11 +49,6 @@ in stdenv.mkDerivation {
   patches = [
     ./clean-env.patch
     ./tramp-detect-wrapped-gvfsd.patch
-    # unbreak macOS unexec
-    (fetchpatch {
-      url = "https://github.com/emacs-mirror/emacs/commit/888ffd960c06d56a409a7ff15b1d930d25c56089.patch";
-      sha256 = "08q3ygdigqwky70r47rcgzlkc5jy82xiq8am5kwwy891wlpl7frw";
-    })
   ];
 
   postPatch = lib.concatStringsSep "\n" [
diff --git a/pkgs/applications/editors/emacs/tramp-detect-wrapped-gvfsd.patch b/pkgs/applications/editors/emacs/tramp-detect-wrapped-gvfsd.patch
index 5d16194fd202..5af6fcaba8c0 100644
--- a/pkgs/applications/editors/emacs/tramp-detect-wrapped-gvfsd.patch
+++ b/pkgs/applications/editors/emacs/tramp-detect-wrapped-gvfsd.patch
@@ -1,14 +1,12 @@
 diff --git a/lisp/net/tramp-gvfs.el b/lisp/net/tramp-gvfs.el
-index f370abba31..f2806263a9 100644
+index 34a234c..b5a471c 100644
 --- a/lisp/net/tramp-gvfs.el
 +++ b/lisp/net/tramp-gvfs.el
-@@ -164,7 +164,8 @@ tramp-gvfs-enabled
-     (and (featurep 'dbusbind)
+@@ -122,6 +122,7 @@
  	 (tramp-compat-funcall 'dbus-get-unique-name :system)
  	 (tramp-compat-funcall 'dbus-get-unique-name :session)
--	 (or (tramp-compat-process-running-p "gvfs-fuse-daemon")
-+	 (or (tramp-compat-process-running-p ".gvfsd-fuse-wrapped")
-+             (tramp-compat-process-running-p "gvfs-fuse-daemon")
+ 	 (or (tramp-compat-process-running-p "gvfs-fuse-daemon")
++	     (tramp-compat-process-running-p ".gvfsd-fuse-wrapped")
  	     (tramp-compat-process-running-p "gvfsd-fuse"))))
    "Non-nil when GVFS is available.")