diff --git a/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp b/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp
index efea4dea66d2e..bd4ffabfbb929 100644
--- a/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp
+++ b/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp
@@ -32,7 +32,6 @@
 #include "llvm/ADT/SetVector.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include <type_traits>
 
 namespace mlir {
 #define GEN_PASS_DEF_LINALGFOLDUNITEXTENTDIMSPASS