diff --git a/README.md b/README.md
index 099acad..5db7beb 100755
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@
 - [x] Update test results in the existing test run
 - [x] Create dynamic test run and update test results in it
 - [x] Update multi-testrail cases from a single automation scenario 
+- [x] Delete/clean all the existing test runs in a project's suite before test run
 - [x] Static status comments on all the scenarios 
 - [x] Support for RSpec `shared examples` 
 
@@ -137,6 +138,18 @@ end
     ```
     Here, `project_id` and `suite_id` are the dynamically generated id from your testrail account; `run_id` is optional in this case.
 
+5. To delete all test-runs before execution,
+    ```yaml
+    testrail:
+      url: https://your_url.testrail.io/
+      user: your@email.com
+      password: ******
+      clean_testrun: true
+      project_id: 10
+      suite_id: 110
+    ```
+    Set, `clean_testrun: false` if you don't want to clean the existing test runs; but this keyword is optional.
+
 #### Hooks
 
 Update the results through `Hooks` on end of each test
diff --git a/lib/testrail-rspec/update-testrails.rb b/lib/testrail-rspec/update-testrails.rb
index 7d07500..712d18e 100644
--- a/lib/testrail-rspec/update-testrails.rb
+++ b/lib/testrail-rspec/update-testrails.rb
@@ -15,6 +15,7 @@ def initialize(scenario)
       end
 
       setup_testrail_client
+      config_validator if $config_validator.nil?
     end
 
     def upload_result
@@ -46,12 +47,13 @@ def upload_result
 
       @run_id ||= @config['run_id']
       @run_id = @@run_id rescue @@run_id = nil unless @config['run_id']
-      @run_id = @@run_id = client.create_test_run("add_run/#{@config['project_id']}", { "suite_id": @config['suite_id']}) if @run_id.nil?
+      @run_id = @@run_id = client.create_test_run("add_run/#{@config['project_id']}", {"suite_id": @config['suite_id']}) if @run_id.nil?
 
       case_list.map do |case_id|
+        check_avail(:case_id, case_id)
         response = client.send_post(
             "add_result_for_case/#{@run_id}/#{case_id}",
-            { status_id: status_id, comment: message }
+            {status_id: status_id, comment: message}
         )
       end
 
@@ -70,6 +72,17 @@ def setup_testrail_client
       @client.password = @config['password']
     end
 
+    def config_validator
+      config_hash = {:project_id => @config['project_id'], :suite_id => @config['suite_id'], :run_id => @config['run_id']}
+      config_hash.map do |key, value|
+        next if value.nil?
+        check_avail(key, value)
+      end
+
+      cleaner if [@config['project_id'], @config['clean_testrun'], @config['run_id'].nil?].all?
+      $config_validator = true
+    end
+
     def get_status_id(status)
       case status
       when :passed
@@ -88,5 +101,27 @@ def get_status_id(status)
         raise 'unexpected scenario status passed'
       end
     end
+
+    def cleaner
+      test_run_list = client.send_get("get_runs/#{@config['project_id']}")
+      test_run_list.map do |list|
+        client.send_post("delete_run/#{list['id']}", {"suite_id": @config['suite_id']})
+      end
+    end
+
+    def check_avail(label, id)
+      case label
+      when :project_id
+        warn("\n###################### \ninvalid #project_id: #{id} \n######################") if client.send_get("get_project/#{id}").nil?
+      when :suite_id
+        warn("\n###################### \ninvalid #suite_id: #{id} \n######################") if client.send_get("get_suite/#{id}").nil?
+      when :run_id
+        warn("\n###################### \ninvalid #run_id: #{id} \n######################") if client.send_get("get_run/#{id}").nil?
+      when :case_id
+        warn("\n###################### \ninvalid #case_id: #{id} \n######################") if client.send_get("get_case/#{id}").nil?
+      else
+        p "no config available"
+      end
+    end
   end
 end
diff --git a/lib/testrail-rspec/version.rb b/lib/testrail-rspec/version.rb
index d59cd00..bb9a54f 100644
--- a/lib/testrail-rspec/version.rb
+++ b/lib/testrail-rspec/version.rb
@@ -1,3 +1,3 @@
 module TestrailRspec
-  VERSION = '0.1.5'.freeze
+  VERSION = '0.1.6'.freeze
 end
\ No newline at end of file
diff --git a/testrail_config.yml b/testrail_config.yml
index f046b7f..4c0b8ff 100644
--- a/testrail_config.yml
+++ b/testrail_config.yml
@@ -3,5 +3,6 @@ testrail:
   user: your_username
   password: your_password
   run_id: <run_id>
+  clean_testrun: false
   project_id: <project_id>
   suite_id: <suite_id>
\ No newline at end of file