diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
index 1c21a2f270da6..1035d7cb46e6e 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
@@ -1074,13 +1074,6 @@ OpFoldResult DimOp::fold(FoldAdaptor adaptor) {
     return subview.getDynamicSize(sourceIndex);
   }
 
-  if (auto sizeInterface =
-          dyn_cast_or_null<OffsetSizeAndStrideOpInterface>(definingOp)) {
-    assert(sizeInterface.isDynamicSize(unsignedIndex) &&
-           "Expected dynamic subview size");
-    return sizeInterface.getDynamicSize(unsignedIndex);
-  }
-
   // dim(memrefcast) -> dim
   if (succeeded(foldMemRefCast(*this)))
     return getResult();
diff --git a/mlir/test/Dialect/MemRef/canonicalize.mlir b/mlir/test/Dialect/MemRef/canonicalize.mlir
index 313090272ef90..e02717a2f5689 100644
--- a/mlir/test/Dialect/MemRef/canonicalize.mlir
+++ b/mlir/test/Dialect/MemRef/canonicalize.mlir
@@ -208,19 +208,6 @@ func.func @subview_negative_stride2(%arg0 : memref<7xf32>) -> memref<?xf32, stri
 
 // -----
 
-// CHECK-LABEL: func @dim_of_sized_view
-//  CHECK-SAME:   %{{[a-z0-9A-Z_]+}}: memref<?xi8>
-//  CHECK-SAME:   %[[SIZE:.[a-z0-9A-Z_]+]]: index
-//       CHECK:   return %[[SIZE]] : index
-func.func @dim_of_sized_view(%arg : memref<?xi8>, %size: index) -> index {
-  %c0 = arith.constant 0 : index
-  %0 = memref.reinterpret_cast %arg to offset: [0], sizes: [%size], strides: [1] : memref<?xi8> to memref<?xi8>
-  %1 = memref.dim %0, %c0 : memref<?xi8>
-  return %1 : index
-}
-
-// -----
-
 // CHECK-LABEL: func @no_fold_subview_negative_size
 //  CHECK:        %[[SUBVIEW:.+]] = memref.subview
 //  CHECK:        return %[[SUBVIEW]]