diff --git a/.github/workflows/lint_and_test_admin-cli.yml b/.github/workflows/lint_and_test_admin-cli.yml
index 788ba8ba3e..972dca6ce2 100644
--- a/.github/workflows/lint_and_test_admin-cli.yml
+++ b/.github/workflows/lint_and_test_admin-cli.yml
@@ -31,6 +31,7 @@ on:
     paths:
       - .github/workflows/lint_and_test_admin-cli.yml
       - admin-cli/**
+      - idl/**
 
   # for manually triggering workflow
   workflow_dispatch:
diff --git a/.github/workflows/lint_and_test_collector.yml b/.github/workflows/lint_and_test_collector.yml
index e21ede1a87..46fc4a65b3 100644
--- a/.github/workflows/lint_and_test_collector.yml
+++ b/.github/workflows/lint_and_test_collector.yml
@@ -32,6 +32,7 @@ on:
       - .github/workflows/lint_and_test_collector.yml
       - collector/**
       - go-client/**
+      - idl/**
 
   # for manually triggering workflow
   workflow_dispatch:
diff --git a/.github/workflows/lint_and_test_cpp.yaml b/.github/workflows/lint_and_test_cpp.yaml
index 40c6655ae9..1578e216e9 100644
--- a/.github/workflows/lint_and_test_cpp.yaml
+++ b/.github/workflows/lint_and_test_cpp.yaml
@@ -34,6 +34,7 @@ on:
       - docker/thirdparties-src/**
       - CMakeLists.txt
       - cmake_modules/**
+      - idl/**
       - run.sh
       - scripts/pack_server.sh
       - scripts/pack_tools.sh
diff --git a/.github/workflows/lint_and_test_go-client.yml b/.github/workflows/lint_and_test_go-client.yml
index 4e02501f14..7856586fc4 100644
--- a/.github/workflows/lint_and_test_go-client.yml
+++ b/.github/workflows/lint_and_test_go-client.yml
@@ -31,6 +31,7 @@ on:
     paths:
       - .github/workflows/lint_and_test_go-client.yml
       - go-client/**
+      - idl/**
 
   # for manually triggering workflow
   workflow_dispatch:
diff --git a/.github/workflows/lint_and_test_java-client.yml b/.github/workflows/lint_and_test_java-client.yml
index a11ebb5ee4..95f6051d68 100644
--- a/.github/workflows/lint_and_test_java-client.yml
+++ b/.github/workflows/lint_and_test_java-client.yml
@@ -26,6 +26,7 @@ on:
         - '*dev'      # developing branch
     paths:
       - .github/workflows/lint_and_test_java-client.yml
+      - idl/**
       - java-client/**
 
   workflow_dispatch:
diff --git a/.github/workflows/lint_and_test_pegic.yml b/.github/workflows/lint_and_test_pegic.yml
index 3788b44121..9fa1a85a27 100644
--- a/.github/workflows/lint_and_test_pegic.yml
+++ b/.github/workflows/lint_and_test_pegic.yml
@@ -30,6 +30,7 @@ on:
       - '*dev'
     paths:
       - .github/workflows/lint_and_test_pegic.yml
+      - idl/**
       - pegic/**
 
   # for manually triggering workflow
diff --git a/.github/workflows/lint_and_test_scala-client.yml b/.github/workflows/lint_and_test_scala-client.yml
index b261902e73..61184a344f 100644
--- a/.github/workflows/lint_and_test_scala-client.yml
+++ b/.github/workflows/lint_and_test_scala-client.yml
@@ -23,6 +23,7 @@ on:
       - 'v[0-9]+.*' # release branch
     paths:
       - .github/workflows/lint_and_test_scala-client.yml
+      - idl/**
       - scala-client/**
 
   workflow_dispatch:
diff --git a/.github/workflows/test_nodejs-client.yml b/.github/workflows/test_nodejs-client.yml
index 371263e80e..3b37e55a1f 100644
--- a/.github/workflows/test_nodejs-client.yml
+++ b/.github/workflows/test_nodejs-client.yml
@@ -25,6 +25,7 @@ on:
         - '*dev'      # developing branch
     paths:
       - .github/workflows/test_nodejs-client.yml
+      - idl/**
       - nodejs-client/**
 
   workflow_dispatch:
diff --git a/.github/workflows/test_python-client.yml b/.github/workflows/test_python-client.yml
index c1eaaa7b70..9ec74da7e8 100644
--- a/.github/workflows/test_python-client.yml
+++ b/.github/workflows/test_python-client.yml
@@ -25,6 +25,7 @@ on:
         - '*dev'      # developing branch
     paths:
       - .github/workflows/test_python-client.yml
+      - idl/**
       - python-client/**
 
   workflow_dispatch:
diff --git a/idl/dsn.thrift b/idl/dsn.thrift
index 9388492a4d..efba9a745b 100644
--- a/idl/dsn.thrift
+++ b/idl/dsn.thrift
@@ -24,11 +24,6 @@
  * THE SOFTWARE.
  */
 
-namespace cpp dsn
-namespace go base
-namespace java org.apache.pegasus.base
-namespace py pypegasus.base
-
 // place holder
 struct rpc_address
 {