diff --git a/pkgs/development/compilers/gcc/patches/14/gcc-darwin-remove-coreservices.patch b/pkgs/development/compilers/gcc/patches/14/gcc-darwin-remove-coreservices.patch
new file mode 100644
index 000000000000..9d21a3c4c438
--- /dev/null
+++ b/pkgs/development/compilers/gcc/patches/14/gcc-darwin-remove-coreservices.patch
@@ -0,0 +1,39 @@
+diff --git a/config/intlmacosx.m4 b/config/intlmacosx.m4
+index 3141bf8c5..7a31862b9 100644
+--- a/config/intlmacosx.m4
++++ b/config/intlmacosx.m4
+@@ -63,7 +63,7 @@ AC_DEFUN([gt_INTL_MACOSX],
+     dnl and we have to link it in explicitly, otherwise an exception
+     dnl NSInvalidArgumentException "unrecognized selector sent to instance"
+     dnl occurs.
+-    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation -Wl,-framework -Wl,CoreServices"
++    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
+   fi
+   AC_SUBST([INTL_MACOSX_LIBS])
+ ])
+diff --git a/gcc/configure b/gcc/configure
+index 23da7d55d..8bd09364d 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -13932,7 +13932,7 @@ $as_echo "#define HAVE_CFLOCALECOPYPREFERREDLANGUAGES 1" >>confdefs.h
+   INTL_MACOSX_LIBS=
+   if test $gt_cv_func_CFPreferencesCopyAppValue = yes \
+      || test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
+-                    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation -Wl,-framework -Wl,CoreServices"
++                    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
+   fi
+ 
+ 
+diff --git a/libcpp/configure b/libcpp/configure
+index 32d6aaa30..592c33881 100755
+--- a/libcpp/configure
++++ b/libcpp/configure
+@@ -7570,7 +7570,7 @@ $as_echo "#define HAVE_CFLOCALECOPYPREFERREDLANGUAGES 1" >>confdefs.h
+   INTL_MACOSX_LIBS=
+   if test $gt_cv_func_CFPreferencesCopyAppValue = yes \
+      || test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
+-                    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation -Wl,-framework -Wl,CoreServices"
++                    INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation"
+   fi
+ 
+ 
diff --git a/pkgs/development/compilers/gcc/patches/14/gnat-darwin-dylib-install-name-14.patch b/pkgs/development/compilers/gcc/patches/14/gnat-darwin-dylib-install-name-14.patch
new file mode 100644
index 000000000000..195f7b10c348
--- /dev/null
+++ b/pkgs/development/compilers/gcc/patches/14/gnat-darwin-dylib-install-name-14.patch
@@ -0,0 +1,21 @@
+diff --git a/gcc/ada/gcc-interface/Makefile.in b/gcc/ada/gcc-interface/Makefile.in
+index 0666fc00b..0e2d53eb8 100644
+--- a/gcc/ada/gcc-interface/Makefile.in
++++ b/gcc/ada/gcc-interface/Makefile.in
+@@ -793,14 +793,14 @@ gnatlib-shared-darwin:
+ 		-o libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ 		$(GNATRTL_NONTASKING_OBJS) $(LIBGNAT_OBJS) \
+ 		$(SO_OPTS) \
+-		-Wl,-install_name,@rpath/libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
++		-Wl,-install_name,$(ADA_RTL_DSO_DIR)/libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ 		-nodefaultrpaths -Wl,-rpath,@loader_path/,-rpath,@loader_path/.. \
+ 		-Wl,-rpath,@loader_path/../../../../ $(MISCLIB)
+ 	cd $(RTSDIR); $(GCC_FOR_ADA_RTS) -dynamiclib $(PICFLAG_FOR_TARGET) \
+ 		-o libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ 		$(GNATRTL_TASKING_OBJS) \
+ 		$(SO_OPTS) \
+-		-Wl,-install_name,@rpath/libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
++		-Wl,-install_name,$(ADA_RTL_DSO_DIR)/libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
+ 		-nodefaultrpaths -Wl,-rpath,@loader_path/,-rpath,@loader_path/.. \
+ 		-Wl,-rpath,@loader_path/../../../../ \
+ 		$(THREADSLIB) -Wl,libgnat$(hyphen)$(LIBRARY_VERSION)$(soext)
diff --git a/pkgs/development/compilers/gcc/patches/default.nix b/pkgs/development/compilers/gcc/patches/default.nix
index eb38c3a1fe88..13b4bcbf6f8c 100644
--- a/pkgs/development/compilers/gcc/patches/default.nix
+++ b/pkgs/development/compilers/gcc/patches/default.nix
@@ -133,8 +133,12 @@ in
 # Fix detection of bootstrap compiler Ada support (cctools as) on Nix Darwin
 ++ optional (atLeast12 && stdenv.isDarwin && langAda) ./ada-cctools-as-detection-configure.patch
 
+# Remove CoreServices on Darwin, as it is only needed for macOS SDK 14+
+++ optional (atLeast14 && stdenv.isDarwin && langAda) ../patches/14/gcc-darwin-remove-coreservices.patch
+
 # Use absolute path in GNAT dylib install names on Darwin
 ++ optionals (stdenv.isDarwin && langAda) ({
+  "14" = [ ../patches/14/gnat-darwin-dylib-install-name-14.patch ];
   "13" = [ ./gnat-darwin-dylib-install-name-13.patch ];
   "12" = [ ./gnat-darwin-dylib-install-name.patch ];
 }.${majorVersion} or [])