diff --git a/checkin_notes b/checkin_notes
index df576e3a3b..25206d24c3 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6089,3 +6089,9 @@ David  14 Sept 2011
     sched/
         sched_send.cpp
         sched_version.cpp
+
+Charlie 15 Sep 2011
+    - lib: fix compiler warning.
+
+    lib/
+        coproc.cpp
diff --git a/lib/coproc.cpp b/lib/coproc.cpp
index 2d2b6f3380..f5c6cd14b0 100644
--- a/lib/coproc.cpp
+++ b/lib/coproc.cpp
@@ -166,7 +166,6 @@ int COPROC::parse(XML_PARSER& xp) {
 
 int COPROC::parse_opencl(XML_PARSER& xp) {
     int n;
-    unsigned long ul;
     unsigned long long ull;
 
     while (!xp.get_tag()) {