diff --git a/php-frontend/src/main/java/org/sonar/php/parser/PHPGrammar.java b/php-frontend/src/main/java/org/sonar/php/parser/PHPGrammar.java
index 990b543de..c4bb122f0 100644
--- a/php-frontend/src/main/java/org/sonar/php/parser/PHPGrammar.java
+++ b/php-frontend/src/main/java/org/sonar/php/parser/PHPGrammar.java
@@ -217,7 +217,7 @@ public VariableDeclarationTree MEMBER_CONST_DECLARATION() {
     return b.<VariableDeclarationTree>nonterminal(PHPLexicalGrammar.MEMBER_CONST_DECLARATION).is(
       f.memberConstDeclaration(
         b.token(PHPLexicalGrammar.IDENTIFIER_OR_KEYWORD),
-        b.optional(f.newTuple(b.token(EQU), STATIC_SCALAR()))));
+        b.optional(f.newTuple(b.token(EQU), EXPRESSION()))));
   }
 
   public VariableDeclarationTree CONST_VAR() {
@@ -225,14 +225,14 @@ public VariableDeclarationTree CONST_VAR() {
       f.constDeclaration(
         b.token(PHPLexicalGrammar.IDENTIFIER),
         b.token(EQU),
-        STATIC_SCALAR()));
+        EXPRESSION()));
   }
 
   public VariableDeclarationTree VARIABLE_DECLARATION() {
     return b.<VariableDeclarationTree>nonterminal(PHPLexicalGrammar.VARIABLE_DECLARATION).is(
       f.variableDeclaration(
         b.token(PHPLexicalGrammar.REGULAR_VAR_IDENTIFIER),
-        b.optional(f.newTuple(b.token(EQU), STATIC_SCALAR()))));
+        b.optional(f.newTuple(b.token(EQU), EXPRESSION()))));
   }
 
   public NamespaceNameTree NAMESPACE_NAME() {
@@ -358,7 +358,7 @@ public EnumCaseTree ENUM_CASE() {
         b.zeroOrMore(ATTRIBUTE_GROUP()),
         b.token(CASE),
         NAME_IDENTIFIER_OR_KEYWORD(),
-        b.optional(f.newTuple(b.token(EQU), STATIC_SCALAR())),
+        b.optional(f.newTuple(b.token(EQU), EXPRESSION())),
         EOS()));
   }
 
@@ -509,7 +509,7 @@ public ParameterTree PARAMETER() {
         b.optional(
           f.newTuple(
             b.token(PHPPunctuator.EQU),
-            STATIC_SCALAR())),
+            EXPRESSION())),
         b.optional(PROPERTY_HOOK_LIST())));
   }
 
@@ -798,7 +798,7 @@ public VariableDeclarationTree STATIC_VAR() {
     return b.<VariableDeclarationTree>nonterminal(PHPLexicalGrammar.STATIC_VAR).is(
       f.staticVar(
         b.token(PHPLexicalGrammar.REGULAR_VAR_IDENTIFIER),
-        b.optional(f.newTuple(b.token(EQU), STATIC_SCALAR()))));
+        b.optional(f.newTuple(b.token(EQU), EXPRESSION()))));
   }
 
   public DeclareStatementTree DECLARE_STATEMENT() {
@@ -1816,13 +1816,6 @@ public VariableTree LEXICAL_VARIABLE() {
         VARIABLE_IDENTIFIER()));
   }
 
-  public ExpressionTree STATIC_SCALAR() {
-    return b.<ExpressionTree>nonterminal(PHPLexicalGrammar.STATIC_SCALAR).is(
-      b.firstOf(
-        f.combinedScalarOffset(ARRAY_INITIALIZER(), b.zeroOrMore(DIMENSIONAL_OFFSET())),
-        EXPRESSION()));
-  }
-
   public FunctionCallTree INTERNAL_FUNCTION() {
     return b.<FunctionCallTree>nonterminal(PHPLexicalGrammar.INTERNAL_FUNCTION).is(
       b.firstOf(
diff --git a/php-frontend/src/main/java/org/sonar/php/parser/PHPLexicalGrammar.java b/php-frontend/src/main/java/org/sonar/php/parser/PHPLexicalGrammar.java
index 9cb649529..25e8b6813 100644
--- a/php-frontend/src/main/java/org/sonar/php/parser/PHPLexicalGrammar.java
+++ b/php-frontend/src/main/java/org/sonar/php/parser/PHPLexicalGrammar.java
@@ -195,7 +195,6 @@ public enum PHPLexicalGrammar implements GrammarRuleKey {
   OBJECT_MEMBER_ACCESS,
   FUNCTION_CALL_PARAMETER_LIST,
   DIMENSIONAL_OFFSET,
-  STATIC_SCALAR,
   ARRAY_INIALIZER,
   COMMON_SCALAR,
   YIELD_SCALAR,
diff --git a/php-frontend/src/test/java/org/sonar/php/parser/expression/StaticScalarTest.java b/php-frontend/src/test/java/org/sonar/php/parser/expression/StaticScalarTest.java
deleted file mode 100644
index 0edc93150..000000000
--- a/php-frontend/src/test/java/org/sonar/php/parser/expression/StaticScalarTest.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * SonarQube PHP Plugin
- * Copyright (C) 2010-2025 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the Sonar Source-Available License Version 1, as published by SonarSource SA.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the Sonar Source-Available License for more details.
- *
- * You should have received a copy of the Sonar Source-Available License
- * along with this program; if not, see https://sonarsource.com/license/ssal/
- */
-package org.sonar.php.parser.expression;
-
-import org.junit.jupiter.api.Test;
-import org.sonar.php.parser.PHPLexicalGrammar;
-
-import static org.sonar.php.utils.Assertions.assertThat;
-
-class StaticScalarTest {
-
-  @Test
-  void test() {
-    assertThat(PHPLexicalGrammar.STATIC_SCALAR)
-      .matches("Foo")
-      .matches("array()")
-      .matches("$a = 1")
-      .matches("1 or 2");
-  }
-}