--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -2813,6 +2813,7 @@ libinstall:	all $(srcdir)/Modules/xxmodu
 		echo "Applying app store compliance patch"; \
 		patch --force --reject-file "$(abs_builddir)/app-store-compliance.rej" --strip 2 --directory "$(DESTDIR)$(LIBDEST)" --input "$(abs_srcdir)/$(APP_STORE_COMPLIANCE_PATCH)" || true ; \
 	fi
+ifeq (1,)
 	@ # Build PYC files for the 3 optimization levels (0, 1, 2)
 	-PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
@@ -2823,6 +2824,7 @@ libinstall:	all $(srcdir)/Modules/xxmodu
 		$(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
 		-o 0 -o 1 -o 2 $(COMPILEALL_OPTS) -d $(LIBDEST)/site-packages -f \
 		-x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+endif
 
 # bpo-21536: Misc/python-config.sh is generated in the build directory
 # from $(srcdir)Misc/python-config.sh.in.
