--- a/src/libtsduck/Makefile
+++ b/src/libtsduck/Makefile
@@ -133,7 +133,6 @@
 	+@$(call RECURSE,config $(if $(NOPYTHON),,python) $(if $(NOJAVA),,java))
 
 install-devel: $(if $(NOSTATIC),,$(STATIC_LIBTSDUCK)) $(TSDUCK_H)
-	rm -rf $(SYSROOT)$(SYSPREFIX)/include/tsduck
 	install -d -m 755 $(SYSROOT)$(USRLIBDIR) $(SYSROOT)$(SYSPREFIX)/include/tsduck
 	$(if $(NOSTATIC),,install -m 644 $(STATIC_LIBTSDUCK) $(SYSROOT)$(USRLIBDIR))
 	install -m 644 $(addsuffix /*.h,$(LIBTSDUCK_INCLUDES)) $(TSDUCK_H) $(SYSROOT)$(SYSPREFIX)/include/tsduck