diff --git a/pkgs/top-level/release-cross.nix b/pkgs/top-level/release-cross.nix
index d6896155c920..14188429e850 100644
--- a/pkgs/top-level/release-cross.nix
+++ b/pkgs/top-level/release-cross.nix
@@ -17,7 +17,13 @@
 , # Strip most of attributes when evaluating to spare memory usage
   scrubJobs ? true
 , # Attributes passed to nixpkgs. Don't build packages marked as unfree.
-  nixpkgsArgs ? { config = { allowUnfree = false; inHydra = true; }; }
+  nixpkgsArgs ? {
+    config = {
+      allowAliases = false;
+      allowUnfree = false;
+      inHydra = true;
+    };
+  }
 }:
 
 let
diff --git a/pkgs/top-level/release-cuda.nix b/pkgs/top-level/release-cuda.nix
index f9577b9b72c7..e9a014f08b39 100644
--- a/pkgs/top-level/release-cuda.nix
+++ b/pkgs/top-level/release-cuda.nix
@@ -15,7 +15,13 @@
     "x86_64-linux"
   ]
 , # Attributes passed to nixpkgs.
-  nixpkgsArgs ? { config = { allowUnfree = true; inHydra = true; }; }
+  nixpkgsArgs ? {
+    config = {
+      allowAliases = false;
+      allowUnfree = true;
+      inHydra = true;
+    };
+  }
 }:
 
 let
diff --git a/pkgs/top-level/release-lib.nix b/pkgs/top-level/release-lib.nix
index 9f2886895689..fb70fe7788a5 100644
--- a/pkgs/top-level/release-lib.nix
+++ b/pkgs/top-level/release-lib.nix
@@ -2,7 +2,13 @@
 , packageSet ? (import ../..)
 , scrubJobs ? true
 , # Attributes passed to nixpkgs. Don't build packages marked as unfree.
-  nixpkgsArgs ? { config = { allowUnfree = false; inHydra = true; }; }
+  nixpkgsArgs ? {
+    config = {
+      allowAliases = false;
+      allowUnfree = false;
+      inHydra = true;
+    };
+  }
 }:
 
 let
diff --git a/pkgs/top-level/release-python.nix b/pkgs/top-level/release-python.nix
index 81ea4d3403a7..38f30693fe49 100644
--- a/pkgs/top-level/release-python.nix
+++ b/pkgs/top-level/release-python.nix
@@ -10,6 +10,7 @@
   ]
 , # Attributes passed to nixpkgs. Don't build packages marked as unfree.
   nixpkgsArgs ? { config = {
+    allowAliases = false;
     allowUnfree = false;
     inHydra = true;
     permittedInsecurePackages = [
diff --git a/pkgs/top-level/release-small.nix b/pkgs/top-level/release-small.nix
index 0212464acb62..f414c4441fb1 100644
--- a/pkgs/top-level/release-small.nix
+++ b/pkgs/top-level/release-small.nix
@@ -4,7 +4,13 @@
 { nixpkgs ? { outPath = (import ../../lib).cleanSource ../..; revCount = 1234; shortRev = "abcdef"; }
 , supportedSystems ? [ "x86_64-linux" "x86_64-darwin" ]
 , # Attributes passed to nixpkgs. Don't build packages marked as unfree.
-  nixpkgsArgs ? { config = { allowUnfree = false; inHydra = true; }; }
+  nixpkgsArgs ? {
+    config = {
+      allowAliases = false;
+      allowUnfree = false;
+      inHydra = true;
+    };
+  }
 }:
 
 let
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index d11d1d1dbd43..5aa058c8d1f3 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -26,6 +26,7 @@
 , scrubJobs ? true
   # Attributes passed to nixpkgs. Don't build packages marked as unfree.
 , nixpkgsArgs ? { config = {
+    allowAliases = false;
     allowUnfree = false;
     inHydra = true;
     permittedInsecurePackages = [