diff --git a/packages/apidom-ls/src/services/validation/linter-functions.ts b/packages/apidom-ls/src/services/validation/linter-functions.ts
index 1751e617e1..979fc5c8db 100644
--- a/packages/apidom-ls/src/services/validation/linter-functions.ts
+++ b/packages/apidom-ls/src/services/validation/linter-functions.ts
@@ -1073,46 +1073,35 @@ export const standardLinterfunctions: FunctionItem[] = [
     functionName: 'apilintOpenAPIParameterFieldIsDefinedWithinPathTemplate',
     function: (element: Element) => {
       if (element.element === 'parameter') {
-        const parameterName = toValue((element as ObjectElement).get('name'));
         const parameterLocation = toValue((element as ObjectElement).get('in'));
         const isInPathItemElement =
           isArrayElement(element.parent) &&
           includesClasses(['path-item-parameters'], element.parent);
-        const isChildOfOperationElement = element.parent.parent.parent.element === 'operation';
-
-        const getAST = (pathTemplate: string) => {
-          const parseResult = parse(pathTemplate);
-          const parts: [string, string][] = [];
-          parseResult.ast.translate(parts);
-          return parts;
-        };
 
-        const pathTemplateASTIncludesParameter = (ast: [string, string][]) =>
-          ast.findIndex(
-            ([name, value]) => name === 'template-expression-param-name' && value === parameterName,
-          ) > -1;
+        if (!isInPathItemElement || parameterLocation !== 'path') {
+          return true;
+        }
 
-        const getPathTemplate = (): string => {
-          if (isInPathItemElement) {
-            return toValue(element.parent.parent.parent.meta.get('path'));
-          }
-          if (isChildOfOperationElement) {
-            return toValue(
-              (element.parent.parent.parent.parent.parent.parent as MemberElement).key,
-            );
-          }
-          return '';
-        };
+        const pathItemElement = element.parent.parent.parent;
+        const isPathItemPartOfPathTemplating = isStringElement(pathItemElement.meta.get('path'));
 
-        if (parameterLocation !== 'path') {
+        if (!isPathItemPartOfPathTemplating) {
           return true;
         }
 
-        if (isInPathItemElement || isChildOfOperationElement) {
-          return pathTemplateASTIncludesParameter(getAST(getPathTemplate()));
-        }
+        const pathTemplate = toValue(pathItemElement.meta.get('path'));
+        const parameterName = toValue((element as ObjectElement).get('name'));
 
-        return true;
+        const parseResult = parse(pathTemplate);
+        const parts: [string, string][] = [];
+        parseResult.ast.translate(parts);
+
+        const pathTemplateASTIncludesParameter = (ast: [string, string][]) =>
+          ast.findIndex(
+            ([name, value]) => name === 'template-expression-param-name' && value === parameterName,
+          ) > -1;
+
+        return pathTemplateASTIncludesParameter(parts);
       }
       return true;
     },
diff --git a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-2-0.yaml b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-2-0.yaml
index ff120fda83..4da1a304a4 100644
--- a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-2-0.yaml
+++ b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-2-0.yaml
@@ -7,15 +7,6 @@ paths:
     delete:
       summary: Delete foo bar id
       operationId: deleteFooBar
-      parameters:
-      - name: test_id
-        in: path
-        required: true
-        type: string
-        schema:
-          type: string
-          format: uuid
-          title: Test Id
       responses:
         '200':
           description: Successful Response
diff --git a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-0.yaml b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-0.yaml
index 9158f0fe31..f81f343e96 100644
--- a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-0.yaml
+++ b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-0.yaml
@@ -7,14 +7,6 @@ paths:
     delete:
       summary: Delete foo bar id
       operationId: deleteFooBar
-      parameters:
-      - name: test_id
-        in: path
-        required: true
-        schema:
-          type: string
-          format: uuid
-          title: Test Id
       responses:
         '200':
           description: Successful Response
diff --git a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-1.yaml b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-1.yaml
index 0b74d9c7e6..10ba12c621 100644
--- a/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-1.yaml
+++ b/packages/apidom-ls/test/fixtures/validation/oas/parameter-defined-within-path-template-3-1.yaml
@@ -7,14 +7,6 @@ paths:
     delete:
       summary: Delete foo bar id
       operationId: deleteFooBar
-      parameters:
-      - name: test_id
-        in: path
-        required: true
-        schema:
-          type: string
-          format: uuid
-          title: Test Id
       responses:
         '200':
           description: Successful Response
diff --git a/packages/apidom-ls/test/validate.ts b/packages/apidom-ls/test/validate.ts
index c60288a43a..1926f37276 100644
--- a/packages/apidom-ls/test/validate.ts
+++ b/packages/apidom-ls/test/validate.ts
@@ -3580,14 +3580,7 @@ describe('apidom-ls-validate', function () {
     const result = await languageService.doValidation(doc, validationContext);
     const expected: Diagnostic[] = [
       {
-        range: { start: { line: 10, character: 8 }, end: { line: 17, character: 24 } },
-        message: 'parameter is not defined within path template',
-        severity: 1,
-        code: 3102000,
-        source: 'apilint',
-      },
-      {
-        range: { start: { line: 25, character: 8 }, end: { line: 32, character: 23 } },
+        range: { start: { line: 16, character: 8 }, end: { line: 23, character: 23 } },
         message: 'parameter is not defined within path template',
         severity: 1,
         code: 3102000,
@@ -3629,14 +3622,7 @@ describe('apidom-ls-validate', function () {
     const result = await languageService.doValidation(doc, validationContext);
     const expected: Diagnostic[] = [
       {
-        range: { start: { line: 10, character: 8 }, end: { line: 16, character: 24 } },
-        message: 'parameter is not defined within path template',
-        severity: 1,
-        code: 3102000,
-        source: 'apilint',
-      },
-      {
-        range: { start: { line: 24, character: 8 }, end: { line: 30, character: 23 } },
+        range: { start: { line: 16, character: 8 }, end: { line: 22, character: 23 } },
         message: 'parameter is not defined within path template',
         severity: 1,
         code: 3102000,
@@ -3678,28 +3664,12 @@ describe('apidom-ls-validate', function () {
     const result = await languageService.doValidation(doc, validationContext);
     const expected: Diagnostic[] = [
       {
-        range: { start: { line: 10, character: 8 }, end: { line: 16, character: 24 } },
+        range: { start: { line: 16, character: 8 }, end: { line: 22, character: 23 } },
         message: 'parameter is not defined within path template',
         severity: 1,
         code: 3102000,
         source: 'apilint',
       },
-      {
-        code: 3102000,
-        message: 'parameter is not defined within path template',
-        range: {
-          end: {
-            character: 23,
-            line: 30,
-          },
-          start: {
-            character: 8,
-            line: 24,
-          },
-        },
-        severity: 1,
-        source: 'apilint',
-      },
     ];
     assert.deepEqual(result, expected as Diagnostic[]);