diff --git a/src/test/basics/base_uint_test.cpp b/src/test/basics/base_uint_test.cpp
index f1b1ec916a..69d267b7b5 100644
--- a/src/test/basics/base_uint_test.cpp
+++ b/src/test/basics/base_uint_test.cpp
@@ -130,7 +130,7 @@ struct base_uint_test : beast::unit_test::Suite
             Blob const tooSmall{1, 2, 3, 4, 5, 6, 7, 8};
             test96 const result = test96::fromRaw(tooSmall);
             auto const resultText = to_string(result);
-            BEAST_EXPECTS(resultText.substr(0, 16) == "0102030405060708", resultText);
+            BEAST_EXPECTS(resultText == "010203040506070800000000", resultText);
         }
 
         // Container larger than the base_uint (16 bytes vs 12 bytes for
@@ -145,36 +145,18 @@ struct base_uint_test : beast::unit_test::Suite
     }
 #endif
 
-    void
-    testFromRawSizeMismatch()
-    {
-        testcase("base_uint: fromRaw size mismatch");
-
-        // Container larger than the base_uint (16 bytes vs 12 bytes for test96).
-        // Only the first 12 bytes are copied; the extra bytes are ignored.
-        {
-            Blob const tooBig{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
-            test96 const result = test96::fromRaw(tooBig);
-            BEAST_EXPECT(to_string(result) == "0102030405060708090A0B0C");
-        }
-    }
-
     void
     run() override
     {
-        testcase("base_uint: general purpose tests");
-
 #ifdef NDEBUG
         testFromRawSizeMismatch();
 #endif
 
+        testcase("base_uint: general purpose tests");
+
         static_assert(!std::is_constructible_v<test96, std::complex<double>>);
         static_assert(!std::is_assignable_v<test96&, std::complex<double>>);
 
-#ifdef NDEBUG
-        testFromRawSizeMismatch();
-#endif
-
         testComparisons();
 
         // used to verify set insertion (hashing required)