diff --git a/src/qrcode/detector/finder_pattern_finder.rs b/src/qrcode/detector/finder_pattern_finder.rs
index e891412..ff5d5c8 100755
--- a/src/qrcode/detector/finder_pattern_finder.rs
+++ b/src/qrcode/detector/finder_pattern_finder.rs
@@ -716,6 +716,15 @@ impl FinderPatternFinder {
             return Err(Exceptions::NotFoundException(None));
         }
 
+        // for (Iterator<FinderPattern> it = possibleCenters.iterator(); it.hasNext();) {
+        //     if (it.next().getCount() < CENTER_QUORUM) {
+        //       it.remove();
+        //     }
+        //   }
+
+        self.possibleCenters
+            .retain(|fp| fp.getCount() >= Self::CENTER_QUORUM);
+
         self.possibleCenters.sort_by(|x, y| {
             x.getEstimatedModuleSize()
                 .partial_cmp(&y.getEstimatedModuleSize())
diff --git a/tests/maxicode_blackbox_tests.rs b/tests/maxicode_blackbox_tests.rs
index 4fcb0bf..424e2f5 100644
--- a/tests/maxicode_blackbox_tests.rs
+++ b/tests/maxicode_blackbox_tests.rs
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-use rxing::{maxicode::MaxiCodeReader, BarcodeFormat, DecodeHintType, MultiFormatReader};
+use rxing::{BarcodeFormat, DecodeHintType, MultiFormatReader};
 
 mod common;
 
@@ -29,7 +29,7 @@ fn maxicode1_test_case() {
         BarcodeFormat::MAXICODE,
     );
     // super("src/test/resources/blackbox/maxicode-1", new MultiFormatReader(), BarcodeFormat.MAXICODE);
-    tester.add_test(6, 6, 0.0);
+    tester.add_test(7, 7, 0.0);
 
     tester.test_black_box();
 }
@@ -44,7 +44,7 @@ fn maxicode1_test_case() {
 fn maxi_code_black_box1_test_case() {
     let mut tester = common::AbstractBlackBoxTestCase::new(
         "test_resources/blackbox/maxicode-1",
-        MaxiCodeReader {},
+        MultiFormatReader::default(),
         BarcodeFormat::MAXICODE,
     );
     // super("src/test/resources/blackbox/maxicode-1", new MultiFormatReader(), BarcodeFormat.MAXICODE);
@@ -53,7 +53,7 @@ fn maxi_code_black_box1_test_case() {
         rxing::DecodeHintValue::PureBarcode(true),
     );
 
-    tester.add_test(1, 1, 0.0);
+    tester.add_test(7, 7, 0.0);
 
     tester.test_black_box();
 }
diff --git a/tests/qr_code_blackbox_tests.rs b/tests/qr_code_blackbox_tests.rs
index 8f97558..1952f05 100644
--- a/tests/qr_code_blackbox_tests.rs
+++ b/tests/qr_code_blackbox_tests.rs
@@ -51,7 +51,7 @@ fn qrcode_black_box2_test_case() {
         BarcodeFormat::QR_CODE,
     );
     tester.add_test(31, 31, 0.0);
-    tester.add_test(30, 30, 90.0);
+    tester.add_test(29, 29, 90.0);
     tester.add_test(30, 30, 180.0);
     tester.add_test(30, 30, 270.0);