diff --git a/ruby/ql/lib/codeql/ruby/ast/internal/Variable.qll b/ruby/ql/lib/codeql/ruby/ast/internal/Variable.qll
index 5ff48191534..8eed5ee6f70 100644
--- a/ruby/ql/lib/codeql/ruby/ast/internal/Variable.qll
+++ b/ruby/ql/lib/codeql/ruby/ast/internal/Variable.qll
@@ -170,8 +170,6 @@ private module Input implements LocalNameBindingInputSig<Location> {
   class SiblingShadowingDecl extends AstNode {
     SiblingShadowingDecl() { none() }
 
-    AstNode getLhs() { none() }
-
     AstNode getRhs() { none() }
 
     AstNode getElse() { none() }
diff --git a/shared/namebinding/codeql/namebinding/LocalNameBinding.qll b/shared/namebinding/codeql/namebinding/LocalNameBinding.qll
index 9aa265f161a..57c792027ba 100644
--- a/shared/namebinding/codeql/namebinding/LocalNameBinding.qll
+++ b/shared/namebinding/codeql/namebinding/LocalNameBinding.qll
@@ -82,9 +82,6 @@ signature module LocalNameBindingInputSig<LocationSig Location> {
    * ```
    */
   class SiblingShadowingDecl extends AstNode {
-    /** Gets the left-hand side of this declaration. */
-    AstNode getLhs();
-
     /**
      * Gets the right-hand side of this declaration.
      *
diff --git a/unified/ql/lib/codeql/unified/internal/Variables.qll b/unified/ql/lib/codeql/unified/internal/Variables.qll
index 51ff5a5ab7f..2203eaf5a68 100644
--- a/unified/ql/lib/codeql/unified/internal/Variables.qll
+++ b/unified/ql/lib/codeql/unified/internal/Variables.qll
@@ -91,9 +91,6 @@ private module LocalNameBindingInput implements LocalNameBindingInputSig<Locatio
   }
 
   abstract class SiblingShadowingDecl extends AstNode {
-    /** Gets the left-hand side of this declaration. */
-    abstract AstNode getLhs();
-
     /**
      * Gets the right-hand side of this declaration.
      *
@@ -113,8 +110,6 @@ private module LocalNameBindingInput implements LocalNameBindingInputSig<Locatio
 
   private class LocalVariableDeclarationSiblingShadowingDecl extends SiblingShadowingDecl instanceof LocalVariableDeclaration
   {
-    override AstNode getLhs() { result = LocalVariableDeclaration.super.getPattern() }
-
     override AstNode getRhs() { result = LocalVariableDeclaration.super.getValue() }
 
     override AstNode getElse() { none() }
@@ -122,16 +117,12 @@ private module LocalNameBindingInput implements LocalNameBindingInputSig<Locatio
 
   private class PatternGuardExprSiblingShadowingDecl extends SiblingShadowingDecl instanceof PatternGuardExpr
   {
-    override AstNode getLhs() { result = PatternGuardExpr.super.getPattern() }
-
     override AstNode getRhs() { result = PatternGuardExpr.super.getValue() }
 
     override AstNode getElse() { none() }
   }
 
   private class GuardIfStmtSiblingShadowingDecl extends SiblingShadowingDecl instanceof GuardIfStmt {
-    override AstNode getLhs() { result = GuardIfStmt.super.getCondition() }
-
     override AstNode getRhs() { none() }
 
     override AstNode getElse() { result = GuardIfStmt.super.getElse() }