diff --git a/Eigen/src/Core/PermutationMatrix.h b/Eigen/src/Core/PermutationMatrix.h
index 06787a66d..a064e053e 100644
--- a/Eigen/src/Core/PermutationMatrix.h
+++ b/Eigen/src/Core/PermutationMatrix.h
@@ -86,10 +86,6 @@ class PermutationBase : public EigenBase<Derived>
     using Base::derived;
     #endif
 
-    
-
-    inline PermutationBase() {}
-
     /** Copies the other permutation into *this */
     template<typename OtherDerived>
     Derived& operator=(const PermutationBase<OtherDerived>& other)
diff --git a/Eigen/src/Core/Transpositions.h b/Eigen/src/Core/Transpositions.h
index 928ccb02b..88fdfb222 100644
--- a/Eigen/src/Core/Transpositions.h
+++ b/Eigen/src/Core/Transpositions.h
@@ -71,8 +71,6 @@ class TranspositionsBase
     Derived& derived() { return *static_cast<Derived*>(this); }
     const Derived& derived() const { return *static_cast<const Derived*>(this); }
 
-    inline TranspositionsBase() {}
-
     /** Copies the \a other transpositions into \c *this */
     template<typename OtherDerived>
     Derived& operator=(const TranspositionsBase<OtherDerived>& other)