diff --git a/lib-src/portaudio-v19/libtool22.patch b/lib-src/portaudio-v19/libtool22.patch
deleted file mode 100644
index 4780c9dea..000000000
--- a/lib-src/portaudio-v19/libtool22.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-Index: audacity-src-1.3.5-beta/lib-src/portaudio-v19/Makefile.in
-===================================================================
---- audacity-src-1.3.5-beta.orig/lib-src/portaudio-v19/Makefile.in
-+++ audacity-src-1.3.5-beta/lib-src/portaudio-v19/Makefile.in
-@@ -39,7 +39,7 @@ OTHER_OBJS = @OTHER_OBJS@
- PALIB = libportaudio.la
- PAINC = include/portaudio.h
- 
--PA_LDFLAGS = $(LDFLAGS) $(SHARED_FLAGS) -rpath $(libdir) -no-undefined \
-+PA_LDFLAGS = $(LDFLAGS) -rpath $(libdir) -no-undefined \
- 	     -export-symbols-regex "(Pa|PaMacCore|PaJack|PaAlsa)_.*" \
- 	     -version-info $(LT_CURRENT):$(LT_REVISION):$(LT_AGE)
-