diff --git a/ci/Jenkinsfile.android b/ci/Jenkinsfile.android
index 140803abc2..7cb86495d9 100644
--- a/ci/Jenkinsfile.android
+++ b/ci/Jenkinsfile.android
@@ -3,9 +3,9 @@ pipeline {
 
   options {
     buildDiscarder(logRotator(
-      numToKeepStr: '20',
+      numToKeepStr: '30',
       daysToKeepStr: '30',
-      artifactNumToKeepStr: '10',
+      artifactNumToKeepStr: '30',
     ))
   }
   
diff --git a/ci/Jenkinsfile.ios b/ci/Jenkinsfile.ios
index 1ba5c51516..afc570604c 100644
--- a/ci/Jenkinsfile.ios
+++ b/ci/Jenkinsfile.ios
@@ -1,19 +1,11 @@
 pipeline {
   agent { label 'fastlane' }
 
-  parameters {
-    booleanParam(
-      name: 'RUN_E2E',
-      defaultValue: false,
-      description: 'If true triggers end-to-end tests.'
-    )
-  }
-
   options {
     buildDiscarder(logRotator(
-      numToKeepStr: '20',
+      numToKeepStr: '30',
       daysToKeepStr: '30',
-      artifactNumToKeepStr: '10',
+      artifactNumToKeepStr: '30',
     ))
   }
   
diff --git a/ci/Jenkinsfile.linux b/ci/Jenkinsfile.linux
index 2729f59602..5092899c8b 100644
--- a/ci/Jenkinsfile.linux
+++ b/ci/Jenkinsfile.linux
@@ -3,9 +3,9 @@ pipeline {
 
   options {
     buildDiscarder(logRotator(
-      numToKeepStr: '20',
+      numToKeepStr: '30',
       daysToKeepStr: '30',
-      artifactNumToKeepStr: '10',
+      artifactNumToKeepStr: '30',
     ))
   }
   
diff --git a/ci/Jenkinsfile.macos b/ci/Jenkinsfile.macos
index 5dfa0bf276..396aa76d88 100644
--- a/ci/Jenkinsfile.macos
+++ b/ci/Jenkinsfile.macos
@@ -3,9 +3,9 @@ pipeline {
 
   options {
     buildDiscarder(logRotator(
-      numToKeepStr: '20',
+      numToKeepStr: '30',
       daysToKeepStr: '30',
-      artifactNumToKeepStr: '10',
+      artifactNumToKeepStr: '30',
     ))
   }