diff --git a/Mac/BuildScript/backport_gh92603_fix.patch b/Mac/BuildScript/backport_gh92603_fix.patch
deleted file mode 100644
index 9a37b0296503409..000000000000000
--- a/Mac/BuildScript/backport_gh92603_fix.patch
+++ /dev/null
@@ -1,82 +0,0 @@
-Accepted upstream for release in Tk 8.6.14:
-https://core.tcl-lang.org/tk/info/cf3830280b
-
---- tk8.6.13/macosx/tkMacOSXWindowEvent.c.orig
-+++ tk8.6.13-patched/macosx/tkMacOSXWindowEvent.c
-@@ -239,8 +239,8 @@ extern NSString *NSWindowDidOrderOffScreenNotification;
-     if (winPtr) {
- 	TKContentView *view = [window contentView];
- 
--#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101500
--	if (@available(macOS 10.15, *)) {
-+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
-+	if (@available(macOS 10.14, *)) {
- 	    [view viewDidChangeEffectiveAppearance];
- 	}
- #endif
-@@ -1237,29 +1237,8 @@ static const char *const accentNames[] = {
-     } else if (effectiveAppearanceName == NSAppearanceNameDarkAqua) {
- 	TkSendVirtualEvent(tkwin, "DarkAqua", NULL);
-     }
--    if ([NSApp macOSVersion] < 101500) {
--
--	/*
--	 * Mojave cannot handle the KVO shenanigans that we need for the
--	 * highlight and accent color notifications.
--	 */
--
--	return;
--    }
-     if (!defaultColor) {
- 	defaultColor = [NSApp macOSVersion] < 110000 ? "Blue" : "Multicolor";
--	preferences = [[NSUserDefaults standardUserDefaults] retain];
--
--	/*
--	 * AppKit calls this method when the user changes the Accent Color
--	 * but not when the user changes the Highlight Color.  So we register
--	 * to receive KVO notifications for Highlight Color as well.
--	 */
--
--	[preferences addObserver:self
--		      forKeyPath:@"AppleHighlightColor"
--			 options:NSKeyValueObservingOptionNew
--			 context:NULL];
-     }
-     NSString *accent = [preferences stringForKey:@"AppleAccentColor"];
-     NSArray *words = [[preferences stringForKey:@"AppleHighlightColor"]
---- tk8.6.13/macosx/tkMacOSXWm.c.orig
-+++ tk8.6.13-patched/macosx/tkMacOSXWm.c
-@@ -1289,6 +1289,11 @@ TkWmDeadWindow(
- 	    [NSApp _setMainWindow:nil];
- 	}
- 	[deadNSWindow close];
-+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
-+	NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
-+	[preferences removeObserver:deadNSWindow.contentView
-+		      forKeyPath:@"AppleHighlightColor"];
-+#endif
- 	[deadNSWindow release];
- 
- #if DEBUG_ZOMBIES > 1
-@@ -6763,6 +6768,21 @@ TkMacOSXMakeRealWindowExist(
-     }
-     TKContentView *contentView = [[TKContentView alloc]
- 				     initWithFrame:NSZeroRect];
-+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
-+    NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
-+
-+    /*
-+     * AppKit calls the viewDidChangeEffectiveAppearance method when the
-+     * user changes the Accent Color but not when the user changes the
-+     * Highlight Color.  So we register to receive KVO notifications for
-+     * Highlight Color as well.
-+     */
-+
-+    [preferences addObserver:contentView
-+		  forKeyPath:@"AppleHighlightColor"
-+		     options:NSKeyValueObservingOptionNew
-+		     context:NULL];
-+#endif
-     [window setContentView:contentView];
-     [contentView release];
-     [window setDelegate:NSApp];
diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 0af90563cbbb2b7..b2f8c77e0c1a73b 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -264,11 +264,11 @@ def library_recipes():
             tk_patches = ['backport_gh71383_fix.patch', 'tk868_on_10_8_10_9.patch', 'backport_gh110950_fix.patch']
 
         else:
-            tcl_tk_ver='8.6.13'
-            tcl_checksum='43a1fae7412f61ff11de2cfd05d28cfc3a73762f354a417c62370a54e2caf066'
+            tcl_tk_ver='8.6.14'
+            tcl_checksum='5880225babf7954c58d4fb0f5cf6279104ce1cd6aa9b71e9a6322540e1c4de66'
 
-            tk_checksum='2e65fa069a23365440a3c56c556b8673b5e32a283800d8d9b257e3f584ce0675'
-            tk_patches = ['backport_gh92603_fix.patch', 'backport_gh71383_fix.patch', 'backport_gh110950_fix.patch']
+            tk_checksum='8ffdb720f47a6ca6107eac2dd877e30b0ef7fac14f3a84ebbd0b3612cee41a94'
+            tk_patches = []
 
 
         base_url = "https://prdownloads.sourceforge.net/tcl/{what}{version}-src.tar.gz"
diff --git a/Misc/NEWS.d/next/macOS/2024-02-29-20-52-23.gh-issue-116145.ygafim.rst b/Misc/NEWS.d/next/macOS/2024-02-29-20-52-23.gh-issue-116145.ygafim.rst
new file mode 100644
index 000000000000000..bc0a2e09dde1bb7
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2024-02-29-20-52-23.gh-issue-116145.ygafim.rst
@@ -0,0 +1 @@
+Update macOS installer to Tcl/Tk 8.6.14.