diff --git a/codec/common/inc/logging.h b/codec/common/inc/logging.h
index 76863b38..2f4d7867 100644
--- a/codec/common/inc/logging.h
+++ b/codec/common/inc/logging.h
@@ -37,13 +37,13 @@
 
 
 // Internal details.
-int32_t welsStderrLevelTrace (int32_t level, const char* format, va_list ap);
+int32_t welsStderrLevelTrace (const char* format, va_list ap);
 
 template<int level> int32_t welsStderrTrace (
   const char* format, ...) {
   va_list ap;
   va_start (ap, format);
-  welsStderrLevelTrace (level, format, ap);
+  welsStderrLevelTrace (format, ap);
   va_end (ap);
   return 0;
 }
diff --git a/codec/common/src/logging.cpp b/codec/common/src/logging.cpp
index 6ff3c8a1..b7f2a49f 100644
--- a/codec/common/src/logging.cpp
+++ b/codec/common/src/logging.cpp
@@ -35,7 +35,7 @@
 #include <stdio.h>
 #include "typedefs.h"
 
-int32_t welsStderrLevelTrace (int32_t level, const char* format, va_list ap) {
+int32_t welsStderrLevelTrace (const char* format, va_list ap) {
   vfprintf (stderr, format, ap);
   return 0;
 }