diff --git a/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/listener_map.rs b/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/listener_map.rs
index 18079ce5e..8ac7df58b 100644
--- a/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/listener_map.rs
+++ b/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/listener_map.rs
@@ -3,9 +3,10 @@ use std::cell::RefCell;
 use oxc_ast::{
     ast::{
         Argument, ArrayExpressionElement, ArrowFunctionExpression, AssignmentTarget,
-        CallExpression, ComputedMemberExpression, Expression, FormalParameter, Function,
-        IdentifierReference, MemberExpression, ModuleDeclaration, ParenthesizedExpression,
-        PrivateFieldExpression, Program, SimpleAssignmentTarget, Statement, StaticMemberExpression,
+        BindingPattern, BindingPatternKind, CallExpression, ComputedMemberExpression, Declaration,
+        Expression, FormalParameter, Function, IdentifierReference, MemberExpression,
+        ModuleDeclaration, ParenthesizedExpression, PrivateFieldExpression, Program,
+        SimpleAssignmentTarget, Statement, StaticMemberExpression, VariableDeclarator,
     },
     AstKind,
 };
@@ -62,6 +63,9 @@ impl<'a> ListenerMap for Statement<'a> {
             Self::BreakStatement(_) | Self::ContinueStatement(_) | Self::EmptyStatement(_) => {
                 no_effects();
             }
+            Self::Declaration(decl) => {
+                decl.report_effects(options);
+            }
             Self::ModuleDeclaration(decl) => {
                 if matches!(
                     decl.0,
@@ -104,6 +108,52 @@ impl<'a> ListenerMap for AstNode<'a> {
     }
 }
 
+impl<'a> ListenerMap for Declaration<'a> {
+    fn report_effects(&self, options: &NodeListenerOptions) {
+        #[allow(clippy::single_match)]
+        match self {
+            Self::VariableDeclaration(decl) => {
+                decl.declarations.iter().for_each(|decl| decl.report_effects(options));
+            }
+            _ => {}
+        }
+    }
+}
+
+impl<'a> ListenerMap for VariableDeclarator<'a> {
+    fn report_effects(&self, options: &NodeListenerOptions) {
+        self.id.report_effects(options);
+
+        if let Some(init) = &self.init {
+            init.report_effects(options);
+        }
+    }
+}
+
+impl<'a> ListenerMap for BindingPattern<'a> {
+    fn report_effects(&self, options: &NodeListenerOptions) {
+        match &self.kind {
+            BindingPatternKind::BindingIdentifier(_) => {}
+            BindingPatternKind::ArrayPattern(array) => {
+                array.elements.iter().for_each(|el| {
+                    if let Some(el) = el {
+                        el.report_effects(options);
+                    }
+                });
+            }
+            BindingPatternKind::ObjectPattern(object) => {
+                object.properties.iter().for_each(|prop| {
+                    prop.value.report_effects(options);
+                });
+            }
+            BindingPatternKind::AssignmentPattern(assign_p) => {
+                assign_p.left.report_effects(options);
+                assign_p.right.report_effects(options);
+            }
+        }
+    }
+}
+
 impl<'a> ListenerMap for Expression<'a> {
     fn report_effects(&self, options: &NodeListenerOptions) {
         match self {
diff --git a/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/mod.rs b/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/mod.rs
index d7bb2a3d6..76f42820f 100644
--- a/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/mod.rs
+++ b/crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/mod.rs
@@ -84,12 +84,12 @@ fn test() {
     let pass = vec![
         // ArrayExpression
         "[]",
-        // "const x = []",
-        // "const x = [ext,ext]",
-        // "const x = [1,,2,]",
+        "const x = []",
+        "const x = [ext,ext]",
+        "const x = [1,,2,]",
         // // ArrayPattern
-        // "const [x] = []",
-        // "const [,x,] = []",
+        "const [x] = []",
+        "const [,x,] = []",
         // // ArrowFunctionExpression
         // "const x = a=>{a(); ext()}",
         // // ArrowFunctionExpression when called
@@ -354,11 +354,11 @@ fn test() {
 
     let fail = vec![
         // // ArrayExpression
-        // "const x = [ext()]",
-        // "const x = [,,ext(),]",
+        "const x = [ext()]",
+        "const x = [,,ext(),]",
         // // ArrayPattern
-        // "const [x = ext()] = []",
-        // "const [,x = ext(),] = []",
+        "const [x = ext()] = []",
+        "const [,x = ext(),] = []",
         // // ArrowFunctionExpression when called
         // "(()=>{ext()})()",
         // "(({a = ext()})=>{})()",
diff --git a/crates/oxc_linter/src/snapshots/no_side_effects_in_initialization.snap b/crates/oxc_linter/src/snapshots/no_side_effects_in_initialization.snap
index fb2789843..82dff9cdb 100644
--- a/crates/oxc_linter/src/snapshots/no_side_effects_in_initialization.snap
+++ b/crates/oxc_linter/src/snapshots/no_side_effects_in_initialization.snap
@@ -2,6 +2,30 @@
 source: crates/oxc_linter/src/tester.rs
 expression: no_side_effects_in_initialization
 ---
+  ⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
+   ╭─[no_side_effects_in_initialization.tsx:1:12]
+ 1 │ const x = [ext()]
+   ·            ───
+   ╰────
+
+  ⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
+   ╭─[no_side_effects_in_initialization.tsx:1:14]
+ 1 │ const x = [,,ext(),]
+   ·              ───
+   ╰────
+
+  ⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
+   ╭─[no_side_effects_in_initialization.tsx:1:12]
+ 1 │ const [x = ext()] = []
+   ·            ───
+   ╰────
+
+  ⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
+   ╭─[no_side_effects_in_initialization.tsx:1:13]
+ 1 │ const [,x = ext(),] = []
+   ·             ───
+   ╰────
+
   ⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of assignment to `ext`
    ╭─[no_side_effects_in_initialization.tsx:1:1]
  1 │ ext = 1