diff --git a/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java b/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java
index 947b065..dfaf3c6 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 the original author or authors.
+ * Copyright 2024-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -281,14 +281,6 @@ public final class YearQuarter implements Comparable<YearQuarter>, Serializable
         return this.compareTo(other) > 0;
     }
 
-    public static YearQuarter min(YearQuarter yearQuarter1, YearQuarter yearQuarter2) {
-        return yearQuarter1.compareTo(yearQuarter2) <= 0 ? yearQuarter1 : yearQuarter2;
-    }
-
-    public static YearQuarter max(YearQuarter yearQuarter1, YearQuarter yearQuarter2) {
-        return yearQuarter1.compareTo(yearQuarter2) >= 0 ? yearQuarter1 : yearQuarter2;
-    }
-
     // #endregion
 
     // #region - toString
diff --git a/src/test/java/xyz/zhouxy/plusone/commons/time/YearQuarterTests.java b/src/test/java/xyz/zhouxy/plusone/commons/time/YearQuarterTests.java
index fcb14a6..70e4c7e 100644
--- a/src/test/java/xyz/zhouxy/plusone/commons/time/YearQuarterTests.java
+++ b/src/test/java/xyz/zhouxy/plusone/commons/time/YearQuarterTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 the original author or authors.
+ * Copyright 2024-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -1173,19 +1173,4 @@ public class YearQuarterTests {
             }
         }
     }
-
-    @ParameterizedTest
-    @ValueSource(ints = { -1, 0, 1, 1900, 2000, 2023, 2024, Year.MAX_VALUE, Year.MIN_VALUE })
-    void test_min_And_max_sameYear(int year) {
-        YearQuarter yq1 = YearQuarter.of(year, 1);
-        YearQuarter anotherYq1 = YearQuarter.of(year, 1);
-
-        assertEquals(yq1, YearQuarter.max(yq1, anotherYq1));
-        assertEquals(yq1, YearQuarter.min(yq1, anotherYq1));
-
-        YearQuarter yq2 = YearQuarter.of(year, 2);
-        assertEquals(yq2, YearQuarter.max(yq1, yq2));
-        assertEquals(yq1, YearQuarter.min(yq1, yq2));
-
-    }
 }