diff --git a/src/1.getting_started/1.1.hello_window/hello_window.cpp b/src/1.getting_started/1.1.hello_window/hello_window.cpp
index f82a9e1..695236f 100644
--- a/src/1.getting_started/1.1.hello_window/hello_window.cpp
+++ b/src/1.getting_started/1.1.hello_window/hello_window.cpp
@@ -20,7 +20,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/1.getting_started/2.1.hello_triangle/hello_triangle.cpp b/src/1.getting_started/2.1.hello_triangle/hello_triangle.cpp
index dc97a51..adbe53b 100644
--- a/src/1.getting_started/2.1.hello_triangle/hello_triangle.cpp
+++ b/src/1.getting_started/2.1.hello_triangle/hello_triangle.cpp
@@ -33,7 +33,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/1.getting_started/2.2.hello_triangle_indexed/hello_triangle_indexed.cpp b/src/1.getting_started/2.2.hello_triangle_indexed/hello_triangle_indexed.cpp
index 82a82e9..e791687 100644
--- a/src/1.getting_started/2.2.hello_triangle_indexed/hello_triangle_indexed.cpp
+++ b/src/1.getting_started/2.2.hello_triangle_indexed/hello_triangle_indexed.cpp
@@ -33,7 +33,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/1.getting_started/5.1.transformations/transformations.cpp b/src/1.getting_started/5.1.transformations/transformations.cpp
index af83968..ec7c0aa 100644
--- a/src/1.getting_started/5.1.transformations/transformations.cpp
+++ b/src/1.getting_started/5.1.transformations/transformations.cpp
@@ -28,7 +28,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/1.getting_started/7.1.camera_circle/camera_circle.cpp b/src/1.getting_started/7.1.camera_circle/camera_circle.cpp
index 20e203e..1883540 100644
--- a/src/1.getting_started/7.1.camera_circle/camera_circle.cpp
+++ b/src/1.getting_started/7.1.camera_circle/camera_circle.cpp
@@ -28,7 +28,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/1.getting_started/7.4.camera_class/camera_class.cpp b/src/1.getting_started/7.4.camera_class/camera_class.cpp
index ad8cb6c..e4c8376 100644
--- a/src/1.getting_started/7.4.camera_class/camera_class.cpp
+++ b/src/1.getting_started/7.4.camera_class/camera_class.cpp
@@ -41,7 +41,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/6.pbr/1.1.lighting/lighting.cpp b/src/6.pbr/1.1.lighting/lighting.cpp
index bd1138b..4825c3b 100644
--- a/src/6.pbr/1.1.lighting/lighting.cpp
+++ b/src/6.pbr/1.1.lighting/lighting.cpp
@@ -45,7 +45,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/6.pbr/1.2.lighting_textured/lighting_textured.cpp b/src/6.pbr/1.2.lighting_textured/lighting_textured.cpp
index c10e9bf..b53f741 100644
--- a/src/6.pbr/1.2.lighting_textured/lighting_textured.cpp
+++ b/src/6.pbr/1.2.lighting_textured/lighting_textured.cpp
@@ -45,7 +45,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/6.pbr/2.1.1.ibl_irradiance_conversion/ibl_irradiance_conversion.cpp b/src/6.pbr/2.1.1.ibl_irradiance_conversion/ibl_irradiance_conversion.cpp
index b95dc73..9828003 100644
--- a/src/6.pbr/2.1.1.ibl_irradiance_conversion/ibl_irradiance_conversion.cpp
+++ b/src/6.pbr/2.1.1.ibl_irradiance_conversion/ibl_irradiance_conversion.cpp
@@ -45,7 +45,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/6.pbr/2.1.2.ibl_irradiance/ibl_irradiance.cpp b/src/6.pbr/2.1.2.ibl_irradiance/ibl_irradiance.cpp
index 2b7f1cf..cbd72b0 100644
--- a/src/6.pbr/2.1.2.ibl_irradiance/ibl_irradiance.cpp
+++ b/src/6.pbr/2.1.2.ibl_irradiance/ibl_irradiance.cpp
@@ -45,7 +45,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation
diff --git a/src/6.pbr/2.2.1.ibl_specular/ibl_specular.cpp b/src/6.pbr/2.2.1.ibl_specular/ibl_specular.cpp
index a3e84f1..b44955c 100644
--- a/src/6.pbr/2.2.1.ibl_specular/ibl_specular.cpp
+++ b/src/6.pbr/2.2.1.ibl_specular/ibl_specular.cpp
@@ -46,7 +46,7 @@ int main()
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 
 #ifdef __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // uncomment this statement to fix compilation on OS X
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
 
     // glfw window creation