Eliminate clang warning in metrics.

2 files changed, 2 insertions, 3 deletions

diff --git a/metrics/src/vespa/metrics/xmlwriter.cpp b/metrics/src/vespa/metrics/xmlwriter.cpp
index 90b25621cf8..25bc4e23d96 100644
--- a/metrics/src/vespa/metrics/xmlwriter.cpp
+++ b/metrics/src/vespa/metrics/xmlwriter.cpp
@@ -11,8 +11,8 @@
 namespace metrics {
 
 XmlWriter::XmlWriter(vespalib::xml::XmlOutputStream& xos,
-          uint32_t period, int verbosity)
-    : _period(period), _xos(xos), _verbosity(verbosity) {}
+                     [[maybe_unused]] uint32_t period, int verbosity)
+    : _xos(xos), _verbosity(verbosity) {}
 
 bool
 XmlWriter::visitSnapshot(const MetricSnapshot& snapshot)
diff --git a/metrics/src/vespa/metrics/xmlwriter.h b/metrics/src/vespa/metrics/xmlwriter.h
index fbaf59d2ecd..31feb18bae8 100644
--- a/metrics/src/vespa/metrics/xmlwriter.h
+++ b/metrics/src/vespa/metrics/xmlwriter.h
@@ -8,7 +8,6 @@
 namespace metrics {
 
 class XmlWriter : public MetricVisitor {
-    uint32_t _period;
     vespalib::xml::XmlOutputStream& _xos;
     int _verbosity;