diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index dd71b10728d..90ef3d0380d 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -35,8 +35,6 @@
 , AVFoundation, Cocoa, VideoDecodeAcceleration, bzip2
 }:
 
-assert blas.implementation == "openblas" && lapack.implementation == "openblas";
-
 let
   version = "4.3.0";