diff --git a/conda/artiq/meta.yaml b/conda/artiq/meta.yaml
index 9c3a841b3..bb3cef0d6 100644
--- a/conda/artiq/meta.yaml
+++ b/conda/artiq/meta.yaml
@@ -14,8 +14,6 @@ requirements:
   build:
     - python >=3.5.2
     - setuptools
-    - numpy
-    - binutils-or1k-linux
   run:
     - python >=3.5.2
     - llvmlite-artiq 0.12.0.dev py35_30