diff --git a/packages/numcodecs/meta.yaml b/packages/numcodecs/meta.yaml
index e16008102..419460057 100644
--- a/packages/numcodecs/meta.yaml
+++ b/packages/numcodecs/meta.yaml
@@ -6,10 +6,11 @@ source:
   url: https://files.pythonhosted.org/packages/2c/b0/980143fa7467569fd81f0d00530c46dcf41ff790738261985dc10a26d4ec/numcodecs-0.9.1.tar.gz
   patches:
     - patches/fixblosc.patch
-    - patches/fixsetup.patch
     - patches/fixzlib.patch
 build:
   script: |
+    export DISABLE_NUMCODECS_SSE2=1
+    export DISABLE_NUMCODECS_AVX2=1
     rm numcodecs/blosc.c
 requirements:
   run:
diff --git a/packages/numcodecs/patches/fixsetup.patch b/packages/numcodecs/patches/fixsetup.patch
deleted file mode 100644
index fd3062c8b..000000000
--- a/packages/numcodecs/patches/fixsetup.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-This patch disables SSE2 and AVX2 options
-diff --git a/setup.py b/setup.py
-index 3cf27db..74bdea5 100644
---- a/setup.py
-+++ b/setup.py
-@@ -7,6 +7,9 @@ from distutils.command.build_ext import build_ext
- from distutils.errors import CCompilerError, DistutilsExecError, \
-     DistutilsPlatformError
- 
-+os.environ['DISABLE_NUMCODECS_SSE2'] = "1"
-+os.environ['DISABLE_NUMCODECS_AVX2'] = "1"
-+
- try:
-     from Cython.Build import cythonize
- except ImportError: