diff --git a/eng/common/scripts/Submit-PullRequest.ps1 b/eng/common/scripts/Submit-PullRequest.ps1
index f9e43478f97c5..70edecbcaa83e 100644
--- a/eng/common/scripts/Submit-PullRequest.ps1
+++ b/eng/common/scripts/Submit-PullRequest.ps1
@@ -18,91 +18,53 @@ A personal access token
 #>
 [CmdletBinding(SupportsShouldProcess = $true)]
 param(
-    [Parameter(Mandatory = $true)]
-    $RepoOwner,
+  [Parameter(Mandatory = $true)]
+  $RepoOwner,
 
-    [Parameter(Mandatory = $true)]
-    $RepoName,
+  [Parameter(Mandatory = $true)]
+  $RepoName,
 
-    [Parameter(Mandatory = $true)]
-    $BaseBranch,
+  [Parameter(Mandatory = $true)]
+  $BaseBranch,
 
-    [Parameter(Mandatory = $true)]
-    $PROwner,
+  [Parameter(Mandatory = $true)]
+  $PROwner,
 
-    [Parameter(Mandatory = $true)]
-    $PRBranch,
+  [Parameter(Mandatory = $true)]
+  $PRBranch,
 
-    [Parameter(Mandatory = $true)]
-    $AuthToken,
+  [Parameter(Mandatory = $true)]
+  $AuthToken,
 
-    [Parameter(Mandatory = $true)]
-    $PRTitle,
-    $PRBody = $PRTitle
+  [Parameter(Mandatory = $true)]
+  $PRTitle,
+  $PRBody = $PRTitle
 )
 
-$ErrorActionPreference = 'stop'
-Set-StrictMode -Version 1
-[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$query = "state=open&head=${PROwner}:${PRBranch}&base=${BaseBranch}"
 
-$headers = @{
-    Authorization = "bearer $AuthToken"
-}
-
-$query = 'query ($repoOwner: String!, $repoName: String!, $baseRefName: String!) {
-    repository(owner: $repoOwner, name: $repoName) {
-      pullRequests(baseRefName: $baseRefName, states: OPEN, first: 100) {
-        totalCount
-        nodes {
-          number
-          headRef {
-            name
-            repository {
-              name
-              owner {
-                login
-              }
-            }
-          }
-        }
-      }
-    }
-  }'
-
-
-$data = @{
-    query     = $query
-    variables = @{
-        repoOwner   = $RepoOwner
-        repoName    = $RepoName
-        baseRefName = $BaseBranch
-    }
-}
-
-$resp = Invoke-RestMethod -Method Post -Headers $headers `
-                          https://api.github.com/graphql `
-                          -Body ($data | ConvertTo-Json)
+$resp = Invoke-RestMethod "https://api.github.com/repos/$RepoOwner/$RepoName/pulls?$query"
 $resp | Write-Verbose
 
-$matchingPr = $resp.data.repository.pullRequests.nodes `
-    | ? { $_.headRef.name -eq $PRBranch -and $_.headRef.repository.owner.login -eq $PROwner } `
-    | select -First 1
-
-if ($matchingPr) {
-    Write-Host -f green "Pull request already exists https://github.com/$RepoOwner/$RepoName/pull/$($matchingPr.number)"
+if ($resp.Count -gt 0) {
+    Write-Host -f green "Pull request already exists $($resp[0].html_url)"
 }
 else {
-    $data = @{
-        title                 = $PRTitle
-        head                  = "${PROwner}:${PRBranch}"
-        base                  = $BaseBranch
-        body                  = $PRBody
-        maintainer_can_modify = $true
-    }
-
-    $resp = Invoke-RestMethod -Method POST -Headers $headers `
-                              https://api.github.com/repos/$RepoOwner/$RepoName/pulls `
-                              -Body ($data | ConvertTo-Json)
-    $resp | Write-Verbose
-    Write-Host -f green "Pull request created https://github.com/$RepoOwner/$RepoName/pull/$($resp.number)"
+  $headers = @{
+    Authorization = "bearer $AuthToken"
+  }
+
+  $data = @{
+    title                 = $PRTitle
+    head                  = "${PROwner}:${PRBranch}"
+    base                  = $BaseBranch
+    body                  = $PRBody
+    maintainer_can_modify = $true
+  }
+
+  $resp = Invoke-RestMethod -Method POST -Headers $headers `
+                            https://api.github.com/repos/$RepoOwner/$RepoName/pulls `
+                            -Body ($data | ConvertTo-Json)
+  $resp | Write-Verbose
+  Write-Host -f green "Pull request created https://github.com/$RepoOwner/$RepoName/pull/$($resp.number)"
 }