diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMOpBase.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMOpBase.td
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMOpBase.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMOpBase.td
@@ -35,9 +35,6 @@
   let extraClassDeclaration = [{
     /// Name of the data layout attributes.
     static StringRef getDataLayoutAttrName() { return "llvm.data_layout"; }
-    static StringRef getNoAliasScopesAttrName() { return "noalias_scopes"; }
-    static StringRef getAliasScopesAttrName() { return "alias_scopes"; }
-    static StringRef getAccessGroupsAttrName() { return "access_groups"; }
 
     /// Names of llvm parameter attributes.
     static StringRef getAlignAttrName() { return "llvm.align"; }