1 files changed, 1 insertions, 13 deletions
diff --git a/src/test/bech32_tests.cpp b/src/test/bech32_tests.cpp
index 0ba492c24e..a1dabee579 100644
--- a/src/test/bech32_tests.cpp
+++ b/src/test/bech32_tests.cpp
@@ -4,24 +4,12 @@
 
 #include <bech32.h>
 #include <test/setup_common.h>
+#include <test/util/str.h>
 
 #include <boost/test/unit_test.hpp>
 
 BOOST_FIXTURE_TEST_SUITE(bech32_tests, BasicTestingSetup)
 
-static bool CaseInsensitiveEqual(const std::string &s1, const std::string &s2)
-{
-    if (s1.size() != s2.size()) return false;
-    for (size_t i = 0; i < s1.size(); ++i) {
-        char c1 = s1[i];
-        if (c1 >= 'A' && c1 <= 'Z') c1 -= ('A' - 'a');
-        char c2 = s2[i];
-        if (c2 >= 'A' && c2 <= 'Z') c2 -= ('A' - 'a');
-        if (c1 != c2) return false;
-    }
-    return true;
-}
-
 BOOST_AUTO_TEST_CASE(bip173_testvectors_valid)
 {
     static const std::string CASES[] = {