diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ca0fca5c32a3..1ecd001df84a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3310,9 +3310,7 @@ with pkgs;
 
   ksmoothdock = libsForQt5.callPackage ../applications/misc/ksmoothdock { };
 
-  libcoap = callPackage ../applications/networking/libcoap {
-    autoconf = buildPackages.autoconf269;
-  };
+  libcoap = callPackage ../applications/networking/libcoap { };
 
   libcryptui = callPackage ../development/libraries/libcryptui {
     gtk3 = if stdenv.hostPlatform.isDarwin then gtk3-x11 else gtk3;