diff --git a/packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters-defined.test.ts b/packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters.test.ts
similarity index 98%
rename from packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters-defined.test.ts
rename to packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters.test.ts
index 1b697ec32..e4715798a 100644
--- a/packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters-defined.test.ts
+++ b/packages/rulesets/src/asyncapi/__tests__/asyncapi-channel-parameters.test.ts
@@ -1,7 +1,7 @@
 import { DiagnosticSeverity } from '@stoplight/types';
 import testRule from './__helpers__/tester';
 
-testRule('asyncapi-channel-parameters-defined', [
+testRule('asyncapi-channel-parameters', [
   {
     name: 'valid case',
     document: {
diff --git a/packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables-defined.test.ts b/packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables.test.ts
similarity index 98%
rename from packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables-defined.test.ts
rename to packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables.test.ts
index b4be3e8df..b529611aa 100644
--- a/packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables-defined.test.ts
+++ b/packages/rulesets/src/asyncapi/__tests__/asyncapi-server-variables.test.ts
@@ -1,7 +1,7 @@
 import { DiagnosticSeverity } from '@stoplight/types';
 import testRule from './__helpers__/tester';
 
-testRule('asyncapi-server-variables-defined', [
+testRule('asyncapi-server-variables', [
   {
     name: 'valid case',
     document: {
diff --git a/packages/rulesets/src/asyncapi/functions/asyncApi2ChannelParameters.ts b/packages/rulesets/src/asyncapi/functions/asyncApi2ChannelParameters.ts
index 92cf96dec..24897fc64 100644
--- a/packages/rulesets/src/asyncapi/functions/asyncApi2ChannelParameters.ts
+++ b/packages/rulesets/src/asyncapi/functions/asyncApi2ChannelParameters.ts
@@ -1,5 +1,8 @@
 import { createRulesetFunction } from '@stoplight/spectral-core';
-import { parseUrlVariables, getMissingProps, getRedundantProps } from './utils';
+
+import { parseUrlVariables } from './utils/parseUrlVariables';
+import { getMissingProps } from './utils/getMissingProps';
+import { getRedundantProps } from './utils/getRedundantProps';
 
 import type { IFunctionResult } from '@stoplight/spectral-core';
 
@@ -13,7 +16,7 @@ export default createRulesetFunction<{ parameters: Record<string, unknown> }, nu
     const results: IFunctionResult[] = [];
 
     const parameters = parseUrlVariables(path);
-    if (!parameters || parameters.length === 0) return;
+    if (parameters.length === 0) return;
 
     const missingParameters = getMissingProps(parameters, targetVal.parameters);
     if (missingParameters.length) {
diff --git a/packages/rulesets/src/asyncapi/functions/asyncApi2ServerVariables.ts b/packages/rulesets/src/asyncapi/functions/asyncApi2ServerVariables.ts
index 943ef2d3c..2d7023a9d 100644
--- a/packages/rulesets/src/asyncapi/functions/asyncApi2ServerVariables.ts
+++ b/packages/rulesets/src/asyncapi/functions/asyncApi2ServerVariables.ts
@@ -1,5 +1,8 @@
 import { createRulesetFunction } from '@stoplight/spectral-core';
-import { parseUrlVariables, getMissingProps, getRedundantProps } from './utils';
+
+import { parseUrlVariables } from './utils/parseUrlVariables';
+import { getMissingProps } from './utils/getMissingProps';
+import { getRedundantProps } from './utils/getRedundantProps';
 
 import type { IFunctionResult } from '@stoplight/spectral-core';
 
@@ -12,7 +15,7 @@ export default createRulesetFunction<{ url: string; variables: Record<string, un
     const results: IFunctionResult[] = [];
 
     const variables = parseUrlVariables(targetVal.url);
-    if (!variables || variables.length === 0) return results;
+    if (variables.length === 0) return results;
 
     const missingVariables = getMissingProps(variables, targetVal.variables);
     if (missingVariables.length) {
diff --git a/packages/rulesets/src/asyncapi/functions/utils.ts b/packages/rulesets/src/asyncapi/functions/utils.ts
deleted file mode 100644
index 9d4788ee7..000000000
--- a/packages/rulesets/src/asyncapi/functions/utils.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-export function parseUrlVariables(str: string): string[] | undefined {
-  if (typeof str !== 'string') return;
-  const variables = str.match(/{(.+?)}/g);
-  if (!variables || variables.length === 0) return;
-  return variables.map(v => v.slice(1, -1));
-}
-
-export function getMissingProps(arr: string[] = [], obj: Record<string, unknown> = {}) {
-  if (!Object.keys(obj).length) return arr;
-  return arr.filter(val => {
-    return !obj.hasOwnProperty(val);
-  });
-}
-
-export function getRedundantProps(arr: string[] = [], obj: Record<string, unknown> = {}) {
-  if (!arr.length) return Object.keys(obj);
-  return Object.keys(obj).filter(val => {
-    return !arr.includes(val);
-  });
-}
diff --git a/packages/rulesets/src/asyncapi/functions/utils/__tests__/getMissingProps.test.ts b/packages/rulesets/src/asyncapi/functions/utils/__tests__/getMissingProps.test.ts
new file mode 100644
index 000000000..928d06ae0
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/__tests__/getMissingProps.test.ts
@@ -0,0 +1,18 @@
+import { getMissingProps } from '../getMissingProps';
+
+describe('getMissingProps', () => {
+  test('should return all props when object is empty', () => {
+    const result = getMissingProps(['one', 'two', 'three'], {});
+    expect(result).toEqual(['one', 'two', 'three']);
+  });
+
+  test('should return only missed props', () => {
+    const result = getMissingProps(['one', 'two', 'three'], { one: {}, three: {} });
+    expect(result).toEqual(['two']);
+  });
+
+  test('should return empty array when all props are defined', () => {
+    const result = getMissingProps(['one', 'two', 'three'], { one: {}, two: {}, three: {} });
+    expect(result).toEqual([]);
+  });
+});
diff --git a/packages/rulesets/src/asyncapi/functions/utils/__tests__/getRedundantProps.test.ts b/packages/rulesets/src/asyncapi/functions/utils/__tests__/getRedundantProps.test.ts
new file mode 100644
index 000000000..bad9660fa
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/__tests__/getRedundantProps.test.ts
@@ -0,0 +1,18 @@
+import { getRedundantProps } from '../getRedundantProps';
+
+describe('getRedundantProps', () => {
+  test('should return all redundant props when array is empty', () => {
+    const result = getRedundantProps([], { one: {}, two: {}, three: {} });
+    expect(result).toEqual(['one', 'two', 'three']);
+  });
+
+  test('should return only redundant props', () => {
+    const result = getRedundantProps(['one', 'three'], { one: {}, two: {}, three: {} });
+    expect(result).toEqual(['two']);
+  });
+
+  test('should return empty array when all props are defined', () => {
+    const result = getRedundantProps(['one', 'two', 'three'], { one: {}, two: {}, three: {} });
+    expect(result).toEqual([]);
+  });
+});
diff --git a/packages/rulesets/src/asyncapi/functions/utils/__tests__/parseUrlVariables.test.ts b/packages/rulesets/src/asyncapi/functions/utils/__tests__/parseUrlVariables.test.ts
new file mode 100644
index 000000000..ada099353
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/__tests__/parseUrlVariables.test.ts
@@ -0,0 +1,13 @@
+import { parseUrlVariables } from '../parseUrlVariables';
+
+describe('parseUrlVariables', () => {
+  test('should return all variables from string', () => {
+    const result = parseUrlVariables('{stage}.some.{channel}');
+    expect(result).toEqual(['stage', 'channel']);
+  });
+
+  test('should return empty array if no variable is defined', () => {
+    const result = parseUrlVariables('stage.some.channel');
+    expect(result).toEqual([]);
+  });
+});
diff --git a/packages/rulesets/src/asyncapi/functions/utils/getMissingProps.ts b/packages/rulesets/src/asyncapi/functions/utils/getMissingProps.ts
new file mode 100644
index 000000000..72d5784ed
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/getMissingProps.ts
@@ -0,0 +1,6 @@
+export function getMissingProps(arr: string[] = [], obj: Record<string, unknown> = {}): string[] {
+  if (!Object.keys(obj).length) return arr;
+  return arr.filter(val => {
+    return !Object.prototype.hasOwnProperty.call(obj, val);
+  });
+}
diff --git a/packages/rulesets/src/asyncapi/functions/utils/getRedundantProps.ts b/packages/rulesets/src/asyncapi/functions/utils/getRedundantProps.ts
new file mode 100644
index 000000000..d7a9fdeae
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/getRedundantProps.ts
@@ -0,0 +1,6 @@
+export function getRedundantProps(arr: string[] = [], obj: Record<string, unknown> = {}): string[] {
+  if (!arr.length) return Object.keys(obj);
+  return Object.keys(obj).filter(val => {
+    return !arr.includes(val);
+  });
+}
diff --git a/packages/rulesets/src/asyncapi/functions/utils/parseUrlVariables.ts b/packages/rulesets/src/asyncapi/functions/utils/parseUrlVariables.ts
new file mode 100644
index 000000000..071c3e388
--- /dev/null
+++ b/packages/rulesets/src/asyncapi/functions/utils/parseUrlVariables.ts
@@ -0,0 +1,6 @@
+export function parseUrlVariables(str: string): string[] {
+  if (typeof str !== 'string') return [];
+  const variables = str.match(/{(.+?)}/g);
+  if (!variables || variables.length === 0) return [];
+  return variables.map(v => v.slice(1, -1));
+}
diff --git a/packages/rulesets/src/asyncapi/index.ts b/packages/rulesets/src/asyncapi/index.ts
index 465923491..06114f22b 100644
--- a/packages/rulesets/src/asyncapi/index.ts
+++ b/packages/rulesets/src/asyncapi/index.ts
@@ -57,7 +57,7 @@ export default {
         },
       },
     },
-    'asyncapi-channel-parameters-defined': {
+    'asyncapi-channel-parameters': {
       description: 'Channel parameters must be defined and there must be no redundant parameters.',
       message: '{{error}}',
       severity: 'error',
@@ -295,7 +295,7 @@ export default {
         function: asyncApi2DocumentSchema,
       },
     },
-    'asyncapi-server-variables-defined': {
+    'asyncapi-server-variables': {
       description: 'Server variables must be defined and there must be no redundant variables.',
       message: '{{error}}',
       severity: 'error',