diff --git a/src/net.h b/src/net.h
--- a/src/net.h
+++ b/src/net.h
@@ -450,20 +450,6 @@
 bool BindListenPort(const CService &bindAddr, std::string &strError,
                     bool fWhitelisted = false);
 
-struct CombinerAll {
-    typedef bool result_type;
-
-    template <typename I> bool operator()(I first, I last) const {
-        while (first != last) {
-            if (!(*first)) {
-                return false;
-            }
-            ++first;
-        }
-        return true;
-    }
-};
-
 /**
  * Interface for message handling
  */
diff --git a/src/test/main_tests.cpp b/src/test/main_tests.cpp
--- a/src/test/main_tests.cpp
+++ b/src/test/main_tests.cpp
@@ -57,23 +57,4 @@
     BOOST_CHECK_EQUAL(nSum, int64_t(2099999997690000LL) * SATOSHI);
 }
 
-bool ReturnFalse() {
-    return false;
-}
-bool ReturnTrue() {
-    return true;
-}
-
-BOOST_AUTO_TEST_CASE(test_combiner_all) {
-    boost::signals2::signal<bool(), CombinerAll> Test;
-    BOOST_CHECK(Test());
-    Test.connect(&ReturnFalse);
-    BOOST_CHECK(!Test());
-    Test.connect(&ReturnTrue);
-    BOOST_CHECK(!Test());
-    Test.disconnect(&ReturnFalse);
-    BOOST_CHECK(Test());
-    Test.disconnect(&ReturnTrue);
-    BOOST_CHECK(Test());
-}
 BOOST_AUTO_TEST_SUITE_END()