diff --git a/Makefile.in b/Makefile.in
index 2651d1c6df5..dd01436810e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -52,6 +52,7 @@ ifeq ($(BUILD_MODULES),all)
 #
 default: $(SUBMAKEFILES)
 	$(RM) -rf $(DIST)/sdk
+	$(RM) -rf $(DIST)/include
 	$(MAKE) -C config export
 	$(MAKE) nspr
 	$(MAKE) ldap
@@ -485,7 +486,6 @@ tier_50:
 	    $(UPDATE_TITLE) \
 	    $(MAKE) -C $$d export; \
 	done ; \
-	$(PERL) $(MOZILLA_DIR)/config/purge-old-headers.pl $(DIST)/include ;\
 	for d in $(tier_50_dirs); do \
 	    $(UPDATE_TITLE) \
 	    $(MAKE) -C $$d libs; \
@@ -504,7 +504,6 @@ tier_%:
 		for d in $($@_dirs); do $(UPDATE_TITLE) \
 			$(MAKE) -C $$d export; \
 		done ; \
-		$(PERL) $(MOZILLA_DIR)/config/purge-old-headers.pl $(DIST)/include ;\
 		for d in $($@_dirs); do $(UPDATE_TITLE) \
 			$(MAKE) -C $$d libs; \
 		done
@@ -546,9 +545,6 @@ endif # OS_ARCH == DARWIN
 endif # BUILD_STATIC_LIBS
 endif # MOZ_TREE_CAIRO
 
-export::
-	@$(PERL) $(MOZILLA_DIR)/config/purge-old-headers.pl $(DIST)/include
-
 distclean::
 	cat unallmakefiles | $(XARGS) rm -f
 	rm -f unallmakefiles $(DIST_GARBAGE)
diff --git a/config/Makefile.in b/config/Makefile.in
index f4def0d6964..e3ca857ae5d 100644
--- a/config/Makefile.in
+++ b/config/Makefile.in
@@ -104,7 +104,6 @@ HEADERS		= nsBuildID.h $(DEPTH)/mozilla-config.h
 
 export:: $(TARGETS) $(HEADERS)
 	$(INSTALL) $(IFLAGS1) $(HEADERS) $(DIST)/include
-	$(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/build-list.pl $(PUBLIC)/.headerlist $(HEADERS)
 	-rm -f $(FINAL_LINK_COMPS) $(FINAL_LINK_LIBS) $(FINAL_LINK_COMP_NAMES)
 	-rm -f $(DIST)/bin/chrome/chromelist.txt
 	$(NSINSTALL) -t $(IFLAGS1) $(HEADERS) $(DIST)/sdk/include
diff --git a/config/purge-old-headers.pl b/config/purge-old-headers.pl
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/config/rules.mk b/config/rules.mk
index 67c6aa53045..8510a374ee7 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -1261,7 +1261,6 @@ ifneq ($(EXPORTS),)
 ifndef NO_DIST_INSTALL
 export:: $(EXPORTS) $(PUBLIC)
 	$(INSTALL) $(IFLAGS1) $^
-	$(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/build-list.pl $(PUBLIC)/.headerlist $(notdir $(filter-out $(PUBLIC),$^))
 endif # NO_DIST_INSTALL
 endif 
 
@@ -1271,7 +1270,6 @@ export:: $(PUBLIC) $(SDK_PUBLIC)
 
 export:: $(SDK_HEADERS) 
 	$(INSTALL) $(IFLAGS1) $^ $(PUBLIC)
-	$(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/build-list.pl $(PUBLIC)/.headerlist $(notdir $^)
 	$(INSTALL) $(IFLAGS1) $^ $(SDK_PUBLIC)
 endif # NO_DIST_INSTALL
 endif 
@@ -1428,7 +1426,6 @@ endif
 export:: $(patsubst %.idl,$(XPIDL_GEN_DIR)/%.h, $(XPIDLSRCS)) 
 ifndef NO_DIST_INSTALL
 	$(INSTALL) $(IFLAGS1) $^ $(PUBLIC)
-	$(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/build-list.pl $(PUBLIC)/.headerlist $(notdir $^)
 endif # NO_DIST_INSTALL
 
 
@@ -1483,7 +1480,6 @@ endif # NO_DIST_INSTALL
 export:: $(patsubst %.idl,$(XPIDL_GEN_DIR)/%.h, $(SDK_XPIDLSRCS))
 ifndef NO_DIST_INSTALL
 	$(INSTALL) $(IFLAGS1) $^ $(PUBLIC)
-	$(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/build-list.pl $(PUBLIC)/.headerlist $(notdir $^)
 	$(INSTALL) $(IFLAGS1) $^ $(SDK_PUBLIC)
 endif