diff --git a/mlir/.clang-format b/mlir/.clang-format
deleted file mode 100644
--- a/mlir/.clang-format
+++ /dev/null
@@ -1,2 +0,0 @@
-BasedOnStyle: LLVM
-AlwaysBreakTemplateDeclarations: Yes
\ No newline at end of file
diff --git a/mlir/lib/Analysis/AffineStructures.cpp b/mlir/lib/Analysis/AffineStructures.cpp
--- a/mlir/lib/Analysis/AffineStructures.cpp
+++ b/mlir/lib/Analysis/AffineStructures.cpp
@@ -565,7 +565,7 @@
   int64_t step = forOp.getStep();
   if (step != 1) {
     if (!forOp.hasConstantLowerBound())
-      forOp.emitWarning("domain conservatively approximated");
+      LLVM_DEBUG(forOp.emitWarning("domain conservatively approximated"));
     else {
       // Add constraints for the stride.
       // (iv - lb) % step = 0 can be written as: