diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 80ebc852a5fe..dfd94e1fb29b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11408,7 +11408,10 @@ in
   linuxPackages_4_6 = recurseIntoAttrs (self.linuxPackagesFor self.linux_4_6 linuxPackages_4_6);
   linuxPackages_4_7 = recurseIntoAttrs (self.linuxPackagesFor self.linux_4_7 linuxPackages_4_7);
   # Don't forget to update linuxPackages_latest!
-  linuxPackages_testing = recurseIntoAttrs (self.linuxPackagesFor self.linux_testing linuxPackages_testing);
+
+  # Intentionally lacks recurseIntoAttrs, as -rc kernels will quite likely break out-of-tree modules and cause failed Hydra builds.
+  linuxPackages_testing = self.linuxPackagesFor self.linux_testing linuxPackages_testing;
+
   linuxPackages_custom = {version, src, configfile}:
                            let linuxPackages_self = (self.linuxPackagesFor (self.linuxManualConfig {inherit version src configfile;
                                                                                                     allowImportFromDerivation=true;})