diff --git a/classlib/src/main/java/org/teavm/classlib/java/math/TBigDecimal.java b/classlib/src/main/java/org/teavm/classlib/java/math/TBigDecimal.java
index 713b58c21..88eb7788f 100644
--- a/classlib/src/main/java/org/teavm/classlib/java/math/TBigDecimal.java
+++ b/classlib/src/main/java/org/teavm/classlib/java/math/TBigDecimal.java
@@ -1697,7 +1697,7 @@ public class TBigDecimal extends Number implements Comparable<TBigDecimal>, Seri
         TMathContext newPrecision = mc; // MathContext by default
 
         // In particular cases, it reduces the problem to call the other 'pow()'
-        if ((n == 0) || ((isZero()) && (n > 0))) {
+        if (n == 0 || isZero() && n > 0) {
             return pow(n);
         }
         if ((m > 999999999) || ((mcPrecision == 0) && (n < 0)) || ((mcPrecision > 0) && (elength > mcPrecision))) {
@@ -2382,7 +2382,7 @@ public class TBigDecimal extends Number implements Comparable<TBigDecimal>, Seri
      */
     public String toPlainString() {
         String intStr = getUnscaledValue().toString();
-        if ((scale == 0) || ((isZero()) && (scale < 0))) {
+        if (scale == 0 || isZero() && scale < 0) {
             return intStr;
         }
         int begin = (signum() < 0) ? 1 : 0;
@@ -2429,7 +2429,7 @@ public class TBigDecimal extends Number implements Comparable<TBigDecimal>, Seri
      * @return this {@code BigDecimal} as a big integer instance.
      */
     public TBigInteger toBigInteger() {
-        if ((scale == 0) || (isZero())) {
+        if (scale == 0 || isZero()) {
             return getUnscaledValue();
         } else if (scale < 0) {
             return getUnscaledValue().multiply(TMultiplication.powerOf10(-(long) scale));
@@ -2449,7 +2449,7 @@ public class TBigDecimal extends Number implements Comparable<TBigDecimal>, Seri
      *             if rounding is necessary.
      */
     public TBigInteger toBigIntegerExact() {
-        if ((scale == 0) || (isZero())) {
+        if (scale == 0 || isZero()) {
             return getUnscaledValue();
         } else if (scale < 0) {
             return getUnscaledValue().multiply(TMultiplication.powerOf10(-(long) scale));
diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index f5a697cde..81c13fc60 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -40,7 +40,12 @@
     <module name="DefaultComesLast"/>
     <module name="FallThrough"/>
     <module name="MultipleVariableDeclarations"/>
-    <module name="UnnecessaryParentheses"/>
+    <module name="UnnecessaryParentheses">
+      <property name="tokens" value="EXPR,IDENT,NUM_DOUBLE,NUM_FLOAT,NUM_INT,NUM_LONG,STRING_LITERAL,
+        LITERAL_NULL,LITERAL_FALSE,LITERAL_TRUE,ASSIGN,BAND_ASSIGN,BOR_ASSIGN,BSR_ASSIGN,BXOR_ASSIGN,DIV_ASSIGN,
+        MINUS_ASSIGN,MOD_ASSIGN,PLUS_ASSIGN,SL_ASSIGN,SR_ASSIGN,STAR_ASSIGN,LAMBDA,TEXT_BLOCK_LITERAL_BEGIN,
+        LITERAL_INSTANCEOF,INC,DEC,POST_INC,POST_DEC"/>
+    </module>
     <module name="RedundantImport"/>
     <module name="UnusedImports">
       <property name="processJavadoc" value="true"/>
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d52d82788..2f29299c7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ asm = "9.5"
 jackson = "2.14.2"
 jetty = "9.4.50.v20221201"
 shadow = "7.1.2"
-checkstyle = "8.41"
+checkstyle = "10.12.3"
 idea = "2020.1.4"
 idea-scala = "2020.1.43"
 maven = "3.5.4"