diff --git a/src/html/htmlctrl/webkit/webkit.mm b/src/html/htmlctrl/webkit/webkit.mm
index ef8f8a3797..1052900d6e 100644
--- a/src/html/htmlctrl/webkit/webkit.mm
+++ b/src/html/htmlctrl/webkit/webkit.mm
@@ -30,12 +30,6 @@
 
 #define DEBUG_WEBKIT_SIZING 0
 
-#if defined(MAC_OS_X_VERSION_10_11) && (__MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11)
-    #define wxWEBKIT_PROTOCOL_SINCE_10_11(proto) < proto >
-#else
-    #define wxWEBKIT_PROTOCOL_SINCE_10_11(proto)
-#endif
-
 extern WXDLLEXPORT_DATA(const char) wxWebKitCtrlNameStr[] = "webkitctrl";
 
 // ----------------------------------------------------------------------------
@@ -114,7 +108,7 @@ inline int wxNavTypeFromWebNavType(int type){
     return wxWEBKIT_NAV_OTHER;
 }
 
-@interface MyFrameLoadMonitor : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebFrameLoadDelegate)
+@interface MyFrameLoadMonitor : NSObject<WebFrameLoadDelegate>
 {
     wxWebKitCtrl* webKitWindow;
 }
@@ -123,7 +117,7 @@ inline int wxNavTypeFromWebNavType(int type){
 
 @end
 
-@interface MyPolicyDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebPolicyDelegate)
+@interface MyPolicyDelegate : NSObject<WebPolicyDelegate>
 {
     wxWebKitCtrl* webKitWindow;
 }
@@ -132,7 +126,7 @@ inline int wxNavTypeFromWebNavType(int type){
 
 @end
 
-@interface MyUIDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebUIDelegate)
+@interface MyUIDelegate : NSObject<WebUIDelegate>
 {
     wxWebKitCtrl* webKitWindow;
 }
diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm
index b093ca6a6d..c7577e2305 100644
--- a/src/osx/cocoa/dataview.mm
+++ b/src/osx/cocoa/dataview.mm
@@ -3035,14 +3035,12 @@ bool wxDataViewTextRenderer::MacRender()
             [par setLineBreakMode:[cell lineBreakMode]];
             // Tightening looks very ugly when combined with non-tightened rows,
             // so disabled it on OS X version where it's used:
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
             if ( WX_IS_MACOS_AVAILABLE(10, 11) )
             {
                 [par setAllowsDefaultTighteningForTruncation:NO];
             }
             else
-#endif
-            [par setTighteningFactorForTruncation:0.0];
+                [par setTighteningFactorForTruncation:0.0];
 
             [str addAttribute:NSParagraphStyleAttributeName
                         value:par
diff --git a/src/osx/cocoa/window.mm b/src/osx/cocoa/window.mm
index 739fead0b8..7bb550b800 100644
--- a/src/osx/cocoa/window.mm
+++ b/src/osx/cocoa/window.mm
@@ -2828,11 +2828,10 @@ bool wxWidgetCocoaImpl::ShowWithEffect(bool show,
     return ShowViewOrWindowWithEffect(m_wxPeer, show, effect, timeout);
 }
 
-// To avoid warnings about incompatible pointer types with OS X 10.11 SDK (and
-// maybe even earlier? This has changed at some time between 10.9 and 10.11),
+// To avoid warnings about incompatible pointer types with OS X 10.11 SDK
 // we need to constrain the comparison function arguments instead of just using
 // "id".
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11 && __has_feature(objc_kindof)
+#if __has_feature(objc_kindof)
 typedef __kindof NSView* KindOfView;
 #else
 typedef id KindOfView;
diff --git a/src/osx/core/colour.cpp b/src/osx/core/colour.cpp
index 9430d914d3..17d80c629f 100644
--- a/src/osx/core/colour.cpp
+++ b/src/osx/core/colour.cpp
@@ -118,7 +118,6 @@ wxCGColorRefData::wxCGColorRefData(CGColorRef col)
     }
     else if (model != kCGColorSpaceModelRGB)
     {
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11
         if ( WX_IS_MACOS_AVAILABLE(10, 11) )
         {
             rgbacol = CGColorCreateCopyByMatchingToColorSpace(wxMacGetGenericRGBColorSpace(), kCGRenderingIntentDefault, col, NULL);
@@ -126,7 +125,6 @@ wxCGColorRefData::wxCGColorRefData(CGColorRef col)
             components = CGColorGetComponents(rgbacol);
         }
         else
-#endif
         {
             isRGB = false;
         }
diff --git a/src/osx/webview_webkit.mm b/src/osx/webview_webkit.mm
index c5bf2bcc16..77bfc3dc9e 100644
--- a/src/osx/webview_webkit.mm
+++ b/src/osx/webview_webkit.mm
@@ -44,12 +44,6 @@
 
 #define DEBUG_WEBKIT_SIZING 0
 
-#if defined(MAC_OS_X_VERSION_10_11) && (__MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_11)
-    #define wxWEBKIT_PROTOCOL_SINCE_10_11(proto) < proto >
-#else
-    #define wxWEBKIT_PROTOCOL_SINCE_10_11(proto)
-#endif
-
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
@@ -59,7 +53,7 @@ wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewWebKit, wxWebView);
 wxBEGIN_EVENT_TABLE(wxWebViewWebKit, wxControl)
 wxEND_EVENT_TABLE()
 
-@interface WebViewLoadDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebFrameLoadDelegate)
+@interface WebViewLoadDelegate : NSObject<WebFrameLoadDelegate>
 {
     wxWebViewWebKit* webKitWindow;
 }
@@ -68,7 +62,7 @@ wxEND_EVENT_TABLE()
 
 @end
 
-@interface WebViewPolicyDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebPolicyDelegate)
+@interface WebViewPolicyDelegate : NSObject<WebPolicyDelegate>
 {
     wxWebViewWebKit* webKitWindow;
 }
@@ -77,7 +71,7 @@ wxEND_EVENT_TABLE()
 
 @end
 
-@interface WebViewUIDelegate : NSObject wxWEBKIT_PROTOCOL_SINCE_10_11(WebUIDelegate)
+@interface WebViewUIDelegate : NSObject<WebUIDelegate>
 {
     wxWebViewWebKit* webKitWindow;
 }