diff --git a/eng/pipelines/runtime-ioslike.yml b/eng/pipelines/runtime-ioslike.yml
index 1100ec500ce6ff..8964184da45617 100644
--- a/eng/pipelines/runtime-ioslike.yml
+++ b/eng/pipelines/runtime-ioslike.yml
@@ -4,6 +4,24 @@
 
 trigger: none
 
+# To reduce the load on the pipeline, enable it only for PRs that affect Mono LLVM related code.
+pr:
+  branches:
+    include:
+    - main
+    - release/*.*
+
+  paths:
+    include:
+      - src/mono/mono/mini/aot-*.*
+      - src/mono/mono/mini/llvm-*.*
+      - src/mono/mono/mini/mini-llvm-*.*
+      - src/mono/mono/mini/intrinsics.c
+      - src/mono/mono/mini/simd-*.*
+      - src/mono/mono/mini/decompose.c
+      - src/mono/mono/mini/method-to-ir.c
+      - src/mono/mono/mini/mini.c
+      
 variables:
   - template: /eng/pipelines/common/variables.yml
 
diff --git a/eng/pipelines/runtime-llvm.yml b/eng/pipelines/runtime-llvm.yml
index 9d358e5f793086..535a5415b2c6c1 100644
--- a/eng/pipelines/runtime-llvm.yml
+++ b/eng/pipelines/runtime-llvm.yml
@@ -28,23 +28,23 @@ schedules:
       - main
     always: false # run only if there were changes since the last successful scheduled run.
 
+# To reduce the load on the pipeline, enable it only for PRs that affect Mono LLVM related code.
 pr:
   branches:
     include:
     - main
     - release/*.*
+
   paths:
     include:
-    - '*'
-    exclude:
-    - '**.md'
-    - eng/Version.Details.xml
-    - .devcontainer/*
-    - .github/*
-    - docs/*
-    - LICENSE.TXT
-    - PATENTS.TXT
-    - THIRD-PARTY-NOTICES.TXT
+      - src/mono/mono/mini/aot-*.*
+      - src/mono/mono/mini/llvm-*.*
+      - src/mono/mono/mini/mini-llvm-*.*
+      - src/mono/mono/mini/intrinsics.c
+      - src/mono/mono/mini/simd-*.*
+      - src/mono/mono/mini/decompose.c
+      - src/mono/mono/mini/method-to-ir.c
+      - src/mono/mono/mini/mini.c
 
 variables:
   - template: /eng/pipelines/common/variables.yml