diff --git a/mlir/lib/Dialect/SparseTensor/Transforms/CodegenEnv.h b/mlir/lib/Dialect/SparseTensor/Transforms/CodegenEnv.h
--- a/mlir/lib/Dialect/SparseTensor/Transforms/CodegenEnv.h
+++ b/mlir/lib/Dialect/SparseTensor/Transforms/CodegenEnv.h
@@ -89,7 +89,7 @@
   // LoopEmitter delegates.
   //
 
-  constexpr TensorLevel makeTensorLevel(TensorId t, Level l) const {
+  TensorLevel makeTensorLevel(TensorId t, Level l) const {
     // Make sure LoopEmitter, GenericOp, and Merger agree on the number of
     // tensors. Merger has one more synthetic tensor for loop invariants.
     assert(loopEmitter.getNumTensors() == linalgOp->getNumOperands() &&
diff --git a/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h b/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
--- a/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
+++ b/mlir/lib/Dialect/SparseTensor/Transforms/LoopEmitter.h
@@ -195,7 +195,7 @@
   unsigned getNumTensors() const { return tensors.size(); }
 
   /// Compresses a TensorId and Level into a TensorLevel.
-  constexpr TensorLevel makeTensorLevel(TensorId t, Level l) const {
+  TensorLevel makeTensorLevel(TensorId t, Level l) const {
     return l * getNumTensors() + t;
   }