diff --git a/CHANGES b/CHANGES
index 7b6825a2c7..74f5cac761 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+4658.	[bug]		Clean up build directory created by "setup.py install"
+			immediately.  [RT #45628]
+
 4657.	[bug]		rrchecker system test result could be improperly
 			determined. [RT #45602]
 
diff --git a/bin/python/Makefile.in b/bin/python/Makefile.in
index a064c74716..adc84de958 100644
--- a/bin/python/Makefile.in
+++ b/bin/python/Makefile.in
@@ -56,7 +56,8 @@ install:: ${TARGETS} installdirs
 			${PYTHON} ${srcdir}/setup.py install --root=${DESTDIR} --prefix=${prefix} ; \
 		else \
 			${PYTHON} ${srcdir}/setup.py install --prefix=${prefix} ; \
-		fi \
+		fi ; \
+		rm -rf build \
 	fi
 
 uninstall::