diff --git a/ets2panda/linter/src/lib/TypeScriptLinter.ts b/ets2panda/linter/src/lib/TypeScriptLinter.ts
index 7a6dd23d96c159848928bf3d1454328e93c1db4e..71cba568429c6ca438f73d115318862202a07016 100644
--- a/ets2panda/linter/src/lib/TypeScriptLinter.ts
+++ b/ets2panda/linter/src/lib/TypeScriptLinter.ts
@@ -50,7 +50,8 @@ import {
   SENDABLE_DECORATOR,
   SENDABLE_DECORATOR_NODES,
   SENDABLE_FUNCTION_UNSUPPORTED_STAGES_IN_API12,
-  SENDBALE_FUNCTION_START_VERSION
+  SENDBALE_FUNCTION_START_VERSION,
+  TASKPOOL
 } from './utils/consts/SendableAPI';
 import { DEFAULT_COMPATIBLE_SDK_VERSION, DEFAULT_COMPATIBLE_SDK_VERSION_STAGE } from './utils/consts/VersionInfo';
 import { forEachNodeInSubtree } from './utils/functions/ForEachNodeInSubtree';
@@ -141,6 +142,7 @@ import { NUMBER_LITERAL } from './utils/consts/RuntimeCheckAPI';
 import { globalApiAssociatedInfo } from './utils/consts/AssociatedInfo';
 import { ARRAY_API_LIST } from './utils/consts/ArraysAPI';
 import { ERROR_PROP_LIST } from './utils/consts/ErrorProp';
+import { D_ETS, D_TS } from './utils/consts/TsSuffix';
 
 interface InterfaceSymbolTypeResult {
   propNames: string[];
@@ -1303,26 +1305,28 @@ export class TypeScriptLinter extends BaseTypeScriptLinter {
     if (methodName !== ISCONCURRENT) {
       return;
     }
-    const moduleSpecifier = this.findModuleSpecifierforDepricatedIsConcurrent(node);
-    if (!moduleSpecifier || !ts.isStringLiteral(moduleSpecifier)) {
+    const symbol = this.tsUtils.trueSymbolAtLocation(node.expression);
+    if (!symbol) {
       return;
     }
-    if (
-      TASKPOOL_MODULES.some((moduleName) => {
-        return TsUtils.removeOrReplaceQuotes(moduleSpecifier.getText(), false) === moduleName;
-      })
-    ) {
-      this.incrementCounters(node.name, FaultID.IsConcurrentDeprecated);
-    }
-  }
+    if (symbol.name === TASKPOOL) {
+      const decl = TsUtils.getDeclaration(symbol);
 
-  findModuleSpecifierforDepricatedIsConcurrent(node: ts.PropertyAccessExpression): ts.Expression | undefined {
-    let symbol = this.tsUtils.trueSymbolAtLocation(node.expression);
-    if (symbol && 'unknown' === symbol.name) {
-      symbol = this.tsTypeChecker.getSymbolAtLocation(node.expression);
+      if (!decl) {
+        return;
+      }
+
+      const sourceFile = decl.getSourceFile();
+      const fileName = path.basename(sourceFile.fileName);
+
+      if (
+        TASKPOOL_MODULES.some((moduleName) => {
+          return fileName.startsWith(moduleName) && (fileName.endsWith(D_TS) || fileName.endsWith(D_ETS));
+        })
+      ) {
+        this.incrementCounters(node.name, FaultID.IsConcurrentDeprecated);
+      }
     }
-    const importDecl = ts.findAncestor(TsUtils.getDeclaration(symbol), ts.isImportDeclaration);
-    return importDecl?.moduleSpecifier;
   }
 
   checkFunctionProperty(
diff --git a/ets2panda/linter/src/lib/utils/functions/ProcessWrite.ts b/ets2panda/linter/src/lib/utils/functions/ProcessWrite.ts
index bb379f6f8383d98a7bbc23c598681a0b7622ea04..ef8e100ae8b34ba1feb582b9901d2a95fd55cf71 100644
--- a/ets2panda/linter/src/lib/utils/functions/ProcessWrite.ts
+++ b/ets2panda/linter/src/lib/utils/functions/ProcessWrite.ts
@@ -27,4 +27,4 @@ export async function processSyncErr(message: string): Promise<void> {
       resolve('success');
     });
   });
-}
\ No newline at end of file
+}
diff --git a/ets2panda/linter/test/concurrent/no_support_isconcurrent.ets.arkts2.json b/ets2panda/linter/test/concurrent/no_support_isconcurrent.ets.arkts2.json
index 428032b2d86c83a7b126a00d005a4c9cc028e644..9b627b9d723d7f5d127d0724c1c125b3dfa719d3 100644
--- a/ets2panda/linter/test/concurrent/no_support_isconcurrent.ets.arkts2.json
+++ b/ets2panda/linter/test/concurrent/no_support_isconcurrent.ets.arkts2.json
@@ -23,6 +23,26 @@
             "suggest": "",
             "rule": "Usage of standard library is restricted(arkts-limited-stdlib-no-concurrent-decorator)",
             "severity": "ERROR"
+        },
+        {
+            "line": 23,
+            "column": 32,
+            "endLine": 23,
+            "endColumn": 44,
+            "problem": "IsConcurrentDeprecated",
+            "suggest": "",
+            "rule": "isConcurrent is not supported (arkts-limited-stdlib-no-support-isConcurrent)",
+            "severity": "ERROR"
+        },
+        {
+            "line": 25,
+            "column": 27,
+            "endLine": 25,
+            "endColumn": 39,
+            "problem": "IsConcurrentDeprecated",
+            "suggest": "",
+            "rule": "isConcurrent is not supported (arkts-limited-stdlib-no-support-isConcurrent)",
+            "severity": "ERROR"
         }
     ]
 }
\ No newline at end of file
diff --git a/ets2panda/linter/test/concurrent/no_support_isconcurrent2.ets.arkts2.json b/ets2panda/linter/test/concurrent/no_support_isconcurrent2.ets.arkts2.json
index b418f42b2130a303f51785ae4ec7b67abd0a67b4..bba96543288bcd93a29d4f09544654ae204a573f 100755
--- a/ets2panda/linter/test/concurrent/no_support_isconcurrent2.ets.arkts2.json
+++ b/ets2panda/linter/test/concurrent/no_support_isconcurrent2.ets.arkts2.json
@@ -24,26 +24,6 @@
             "rule": "Import Concurrency is not required (arkts-limited-stdlib-no-import-concurrency)",
             "severity": "ERROR"
         },
-        {
-            "line": 23,
-            "column": 17,
-            "endLine": 23,
-            "endColumn": 29,
-            "problem": "IsConcurrentDeprecated",
-            "suggest": "",
-            "rule": "isConcurrent is not supported (arkts-limited-stdlib-no-support-isConcurrent)",
-            "severity": "ERROR"
-        },
-        {
-            "line": 25,
-            "column": 12,
-            "endLine": 25,
-            "endColumn": 24,
-            "problem": "IsConcurrentDeprecated",
-            "suggest": "",
-            "rule": "isConcurrent is not supported (arkts-limited-stdlib-no-support-isConcurrent)",
-            "severity": "ERROR"
-        },
         {
             "line": 25,
             "column": 25,