diff --git a/src/rose/rose_build_matchers.cpp b/src/rose/rose_build_matchers.cpp
index 96cdfbe5..aa7a794d 100644
--- a/src/rose/rose_build_matchers.cpp
+++ b/src/rose/rose_build_matchers.cpp
@@ -62,8 +62,6 @@ using boost::adaptors::map_values;
 
 namespace ue2 {
 
-static const size_t MAX_ACCEL_STRING_LEN = 16;
-
 #if defined(DEBUG) || defined(DUMP_SUPPORT)
 static UNUSED
 string dumpMask(const vector<u8> &v) {