1 files changed, 4 insertions, 4 deletions
diff --git a/searchlib/src/vespa/searchlib/expression/resultvector.h b/searchlib/src/vespa/searchlib/expression/resultvector.h
index 171659993ac..81d73e9b1f5 100644
--- a/searchlib/src/vespa/searchlib/expression/resultvector.h
+++ b/searchlib/src/vespa/searchlib/expression/resultvector.h
@@ -57,20 +57,20 @@ private:
 
 template <typename B>
 struct cmpT {
-    struct less : public std::binary_function<B, B, bool> {
+    struct less {
         bool operator()(const B & a, const B & b) { return a.cmp(b) < 0; }
     };
-    struct equal : public std::binary_function<B, B, bool> {
+    struct equal {
         bool operator()(const B & a, const B & b) { return a.cmp(b) == 0; }
     };
 };
 
 template <typename B, typename V>
 struct contains {
-    struct less : public std::binary_function<B, V, bool> {
+    struct less {
         bool operator()(const B & a, const V & b) { return a.contains(b) < 0; }
     };
-    struct equal : public std::binary_function<B, V, bool> {
+    struct equal {
         bool operator()(const B & a, const V & b) { return a.contains(b) == 0; }
     };
 };