diff --git a/mozilla/string/macbuild/string.xml b/mozilla/string/macbuild/string.xml
index 1b400592c0c..e6bd9d58bc8 100644
--- a/mozilla/string/macbuild/string.xml
+++ b/mozilla/string/macbuild/string.xml
@@ -1164,13 +1164,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -1452,11 +1445,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -2650,13 +2638,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -2938,11 +2919,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -4115,13 +4091,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -4388,11 +4357,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5565,13 +5529,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5838,11 +5795,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5994,12 +5946,6 @@
                 <PATH>nsAlgorithm.h</PATH>
                 <PATHFORMAT>MacOS</PATHFORMAT>
             </FILEREF>
-            <FILEREF>
-                <TARGETNAME>string.shlb</TARGETNAME>
-                <PATHTYPE>Name</PATHTYPE>
-                <PATH>nsAPromiseString.h</PATH>
-                <PATHFORMAT>MacOS</PATHFORMAT>
-            </FILEREF>
             <FILEREF>
                 <TARGETNAME>string.shlb</TARGETNAME>
                 <PATHTYPE>Name</PATHTYPE>
diff --git a/mozilla/xpcom/string/macbuild/string.xml b/mozilla/xpcom/string/macbuild/string.xml
index 1b400592c0c..e6bd9d58bc8 100644
--- a/mozilla/xpcom/string/macbuild/string.xml
+++ b/mozilla/xpcom/string/macbuild/string.xml
@@ -1164,13 +1164,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -1452,11 +1445,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -2650,13 +2638,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -2938,11 +2919,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -4115,13 +4091,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -4388,11 +4357,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5565,13 +5529,6 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
-                <FILE>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                    <FILEKIND>Text</FILEKIND>
-                    <FILEFLAGS></FILEFLAGS>
-                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5838,11 +5795,6 @@
                     <PATH>nsPromiseFlatString.h</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
-                <FILEREF>
-                    <PATHTYPE>Name</PATHTYPE>
-                    <PATH>nsAPromiseString.h</PATH>
-                    <PATHFORMAT>MacOS</PATHFORMAT>
-                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsStringTraits.h</PATH>
@@ -5994,12 +5946,6 @@
                 <PATH>nsAlgorithm.h</PATH>
                 <PATHFORMAT>MacOS</PATHFORMAT>
             </FILEREF>
-            <FILEREF>
-                <TARGETNAME>string.shlb</TARGETNAME>
-                <PATHTYPE>Name</PATHTYPE>
-                <PATH>nsAPromiseString.h</PATH>
-                <PATHFORMAT>MacOS</PATHFORMAT>
-            </FILEREF>
             <FILEREF>
                 <TARGETNAME>string.shlb</TARGETNAME>
                 <PATHTYPE>Name</PATHTYPE>