diff --git a/mlir/test/lib/Dialect/Affine/TestAffineLoopUnswitching.cpp b/mlir/test/lib/Dialect/Affine/TestAffineLoopUnswitching.cpp
--- a/mlir/test/lib/Dialect/Affine/TestAffineLoopUnswitching.cpp
+++ b/mlir/test/lib/Dialect/Affine/TestAffineLoopUnswitching.cpp
@@ -30,8 +30,7 @@
     return "Tests affine loop unswitching / if/else hoisting";
   }
   TestAffineLoopUnswitching() = default;
-  TestAffineLoopUnswitching(const TestAffineLoopUnswitching &pass)
-      : PassWrapper(pass) {}
+  TestAffineLoopUnswitching(const TestAffineLoopUnswitching &pass) = default;
 
   void runOnFunction() override;
 
diff --git a/mlir/test/lib/Dialect/Linalg/TestLinalgDistribution.cpp b/mlir/test/lib/Dialect/Linalg/TestLinalgDistribution.cpp
--- a/mlir/test/lib/Dialect/Linalg/TestLinalgDistribution.cpp
+++ b/mlir/test/lib/Dialect/Linalg/TestLinalgDistribution.cpp
@@ -43,8 +43,7 @@
   StringRef getArgument() const final { return "test-linalg-distribution"; }
   StringRef getDescription() const final { return "Test Linalg distribution."; }
   TestLinalgDistribution() = default;
-  TestLinalgDistribution(const TestLinalgDistribution &pass)
-      : PassWrapper(pass) {}
+  TestLinalgDistribution(const TestLinalgDistribution &pass) = default;
   void getDependentDialects(DialectRegistry &registry) const override {
     registry.insert<AffineDialect, gpu::GPUDialect>();
   }
diff --git a/mlir/test/lib/Dialect/Vector/TestVectorTransforms.cpp b/mlir/test/lib/Dialect/Vector/TestVectorTransforms.cpp
--- a/mlir/test/lib/Dialect/Vector/TestVectorTransforms.cpp
+++ b/mlir/test/lib/Dialect/Vector/TestVectorTransforms.cpp
@@ -552,8 +552,7 @@
                          FunctionPass> {
   TestVectorTransferCollapseInnerMostContiguousDims() = default;
   TestVectorTransferCollapseInnerMostContiguousDims(
-      const TestVectorTransferCollapseInnerMostContiguousDims &pass)
-      : PassWrapper(pass) {}
+      const TestVectorTransferCollapseInnerMostContiguousDims &pass) = default;
 
   void getDependentDialects(DialectRegistry &registry) const override {
     registry.insert<memref::MemRefDialect, AffineDialect>();