diff --git a/ChangeLog b/ChangeLog
index 539b2c8..83da12e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-13  Ben Elliston  <bje@gnu.org>
+
+	* config.sub (maybe_os): Remove duplicate patterns for sparc,
+	sparcv8, sparcv9, sparcv9b and sparcv9v. Found by Shellcheck.
+
 2018-01-13  Ben Elliston  <bje@gnu.org>
 
 	* config.sub (maybe_os): Remove cases z8k-*-coff and z80-*-coff as
diff --git a/config.sub b/config.sub
index 3c2aa6f..37be141 100755
--- a/config.sub
+++ b/config.sub
@@ -1300,9 +1300,6 @@ case $basic_machine in
 	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
 		basic_machine=sh-unknown
 		;;
-	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
-		basic_machine=sparc-sun
-		;;
 	cydra)
 		basic_machine=cydra-cydrome
 		;;