diff --git a/pkgs/applications/networking/instant-messengers/signalbackup-tools/apple-sdk-missing-utimensat.patch b/pkgs/applications/networking/instant-messengers/signalbackup-tools/apple-sdk-missing-utimensat.patch
deleted file mode 100644
index 61474d0ab4fc..000000000000
--- a/pkgs/applications/networking/instant-messengers/signalbackup-tools/apple-sdk-missing-utimensat.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-diff --git a/signalbackup/setfiletimestamp.cc b/signalbackup/setfiletimestamp.cc
-index f53a168..d2d1c5e 100644
---- a/signalbackup/setfiletimestamp.cc
-+++ b/signalbackup/setfiletimestamp.cc
-@@ -21,24 +21,23 @@
-
- #if !defined(_WIN32) && !defined(__MINGW64__)
-
--#include <fcntl.h>
--#include <sys/stat.h>
-+#include <sys/time.h>
-
- bool SignalBackup::setFileTimeStamp(std::string const &file, long long int time_usec) const
- {
--  struct timespec ntimes[] =
-+  struct timeval ntimes[] =
-   {
-     {                                   // ntimes[0] =
-       time_usec / 1000,                 // tv_sec, seconds
--      (time_usec % 1000) * 1000         // tv_usec, nanoseconds
-+      static_cast<int>(time_usec)       // tv_usec, nanoseconds
-     },
-     {                                   // ntimes[1] =
-       time_usec / 1000,                 // tv_sec, seconds
--      (time_usec % 1000) * 1000         // tv_usec, nanoseconds
-+      static_cast<int>(time_usec)       // tv_usec, nanoseconds
-     }
-   };
-
--  return (utimensat(AT_FDCWD, file.c_str(), ntimes, 0) == 0);
-+  return (utimes(file.c_str(), ntimes) == 0);
- }
-
- #else // this is poorly tested, I don't have windows
diff --git a/pkgs/applications/networking/instant-messengers/signalbackup-tools/default.nix b/pkgs/applications/networking/instant-messengers/signalbackup-tools/default.nix
index adbe34207c02..a78dbe3bc371 100644
--- a/pkgs/applications/networking/instant-messengers/signalbackup-tools/default.nix
+++ b/pkgs/applications/networking/instant-messengers/signalbackup-tools/default.nix
@@ -11,9 +11,6 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-vFq9NvQboqGVzwiH2KPhT6jsdY5i2oKIgEaZKfBsb/o=";
   };
 
-  # Remove when Apple SDK is >= 10.13
-  patches = lib.optional (stdenv.system == "x86_64-darwin") ./apple-sdk-missing-utimensat.patch;
-
   buildInputs = [ openssl sqlite ];
   buildFlags = [
     "-Wall"
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1c384a14b817..d2576a5cf427 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10505,7 +10505,7 @@ with pkgs;
 
   sigil = libsForQt5.callPackage ../applications/editors/sigil { };
 
-  signalbackup-tools = callPackage ../applications/networking/instant-messengers/signalbackup-tools { };
+  signalbackup-tools = darwin.apple_sdk_11_0.callPackage ../applications/networking/instant-messengers/signalbackup-tools { };
 
   signald = callPackage ../applications/networking/instant-messengers/signald { };