diff --git a/aegisub/src/Makefile.am b/aegisub/src/Makefile.am
index 7ad18be8b..77f480d4e 100644
--- a/aegisub/src/Makefile.am
+++ b/aegisub/src/Makefile.am
@@ -311,6 +311,5 @@ aegisub_3_0_SOURCES += \
     $(srcdir)/config/*.h
 
 noinst_HEADERS = \
-	$(srcdir)/boost/*.hpp \
 	gl/glext.h \
 	$(srcdir)/*.hxx