diff --git a/doc/examples/QuickStart_example.cpp b/doc/examples/QuickStart_example.cpp
index f4ab2fbe0..7238c0c43 100644
--- a/doc/examples/QuickStart_example.cpp
+++ b/doc/examples/QuickStart_example.cpp
@@ -3,7 +3,7 @@
 
 using Eigen::MatrixXd;
 
-int main(int, char *[])
+int main()
 {
   MatrixXd m(2,2);
   m(0,0) = 3;
diff --git a/doc/examples/QuickStart_example2_dynamic.cpp b/doc/examples/QuickStart_example2_dynamic.cpp
index b46ecef99..ccaba9c82 100644
--- a/doc/examples/QuickStart_example2_dynamic.cpp
+++ b/doc/examples/QuickStart_example2_dynamic.cpp
@@ -4,7 +4,7 @@
 using Eigen::MatrixXd;
 using Eigen::VectorXd;
 
-int main(int, char *[])
+int main()
 {
   MatrixXd m(3,3);
   for (int row = 0; row < 3; ++row)
diff --git a/doc/examples/QuickStart_example2_fixed.cpp b/doc/examples/QuickStart_example2_fixed.cpp
index 9fcddcdd6..c30f47734 100644
--- a/doc/examples/QuickStart_example2_fixed.cpp
+++ b/doc/examples/QuickStart_example2_fixed.cpp
@@ -4,7 +4,7 @@
 using Eigen::Matrix3d;
 using Eigen::Vector3d;
 
-int main(int, char *[])
+int main()
 {
   Matrix3d m;
   for (int row = 0; row < 3; ++row)
diff --git a/doc/examples/Tutorial_PartialLU_solve.cpp b/doc/examples/Tutorial_PartialLU_solve.cpp
index 917836f0e..a5608792f 100644
--- a/doc/examples/Tutorial_PartialLU_solve.cpp
+++ b/doc/examples/Tutorial_PartialLU_solve.cpp
@@ -5,7 +5,7 @@
 using namespace std;
 using namespace Eigen;
 
-int main(int, char *[])
+int main()
 {
    Matrix3f A;
    Vector3f b;
diff --git a/doc/examples/Tutorial_simple_example_dynamic_size.cpp b/doc/examples/Tutorial_simple_example_dynamic_size.cpp
index d780e7326..0f0280e0e 100644
--- a/doc/examples/Tutorial_simple_example_dynamic_size.cpp
+++ b/doc/examples/Tutorial_simple_example_dynamic_size.cpp
@@ -3,7 +3,7 @@
 
 using namespace Eigen;
 
-int main(int, char *[])
+int main()
 {
   for (int size=1; size<=4; ++size)
   {
diff --git a/doc/examples/Tutorial_simple_example_fixed_size.cpp b/doc/examples/Tutorial_simple_example_fixed_size.cpp
index a5c856732..bc4f95d79 100644
--- a/doc/examples/Tutorial_simple_example_fixed_size.cpp
+++ b/doc/examples/Tutorial_simple_example_fixed_size.cpp
@@ -3,7 +3,7 @@
 
 using namespace Eigen;
 
-int main(int, char *[])
+int main()
 {
   Matrix3f m3;
   m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9;