diff --git a/mlir/lib/Dialect/Affine/IR/AffineOps.cpp b/mlir/lib/Dialect/Affine/IR/AffineOps.cpp
--- a/mlir/lib/Dialect/Affine/IR/AffineOps.cpp
+++ b/mlir/lib/Dialect/Affine/IR/AffineOps.cpp
@@ -2727,7 +2727,6 @@
 void AffineParallelOp::setLowerBounds(ValueRange lbOperands, AffineMap map) {
   assert(lbOperands.size() == map.getNumInputs() &&
          "operands to map must match number of inputs");
-  assert(map.getNumResults() >= 1 && "bounds map has at least one result");
 
   auto ubOperands = getUpperBoundsOperands();
 
@@ -2741,7 +2740,6 @@
 void AffineParallelOp::setUpperBounds(ValueRange ubOperands, AffineMap map) {
   assert(ubOperands.size() == map.getNumInputs() &&
          "operands to map must match number of inputs");
-  assert(map.getNumResults() >= 1 && "bounds map has at least one result");
 
   SmallVector<Value, 4> newOperands(getLowerBoundsOperands());
   newOperands.append(ubOperands.begin(), ubOperands.end());