diff --git a/src/nfagraph/ng_limex_accel.cpp b/src/nfagraph/ng_limex_accel.cpp
index 7bad1c66..1f991f19 100644
--- a/src/nfagraph/ng_limex_accel.cpp
+++ b/src/nfagraph/ng_limex_accel.cpp
@@ -284,8 +284,6 @@ struct DAccelScheme {
         assert(double_offset <= MAX_ACCEL_DEPTH);
     }
 
-    DAccelScheme() {}
-
     bool operator<(const DAccelScheme &b) const {
         const DAccelScheme &a = *this;