diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e3d8259737..2877d2f0db 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,12 @@
 repos:
   - repo: local
     hooks:
+      - id: whitespace
+        name: strip whitespace
+        entry: ./strip_whitespace.sh
+        language: system
+        always_run: true
+        pass_filenames: false
       - id: mypy
         name: mypy
         entry: mypy tinygrad/ extra/helpers.py
diff --git a/tinygrad/renderer/cuda.py b/tinygrad/renderer/cuda.py
index 9e6d0d6007..3d29227b31 100644
--- a/tinygrad/renderer/cuda.py
+++ b/tinygrad/renderer/cuda.py
@@ -6,7 +6,7 @@ class CUDALanguage(CStyleLanguage):
   smem_prefix = "__shared__ "
   smem_prefix_for_cast = False
   arg_int_prefix = "const int"
-  barrier = "__syncthreads();" 
+  barrier = "__syncthreads();"
   float4 = "make_float4"
   gid = [f'blockIdx.{chr(120+i)}' for i in range(3)]
   lid = [f'threadIdx.{chr(120+i)}' for i in range(3)]
diff --git a/tinygrad/renderer/hip.py b/tinygrad/renderer/hip.py
index 1e7e911247..4005009f76 100644
--- a/tinygrad/renderer/hip.py
+++ b/tinygrad/renderer/hip.py
@@ -19,7 +19,7 @@ class HIPLanguage(CStyleLanguage):
   smem_prefix_for_cast=False
   barrier = "__syncthreads();"
   float4 = "make_float4"
-  uses_vload=True 
+  uses_vload=True
   uses_ptr_arithmetic=True
   arg_int_prefix = "const int"
   half_prekernel = "#include <hip/hip_fp16.h>\nusing half4 = HIP_vector_type<half, 4>;" + """