diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4865e12d503..08e347c340e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -119,9 +119,8 @@ jobs:
               Out-String |
               Select-String -Pattern '(?s)```text\r?\n(.*?)```'
 
-          # FIXME: Check that the diff can fail, then filter out performance tests in Where-Object.
           $expected_failures = $match_info.Matches.Groups[1].Value -split "`n" |
-              Where-Object { $_ -match '^\s*FAIL \[' } |
+              Where-Object { ($_ -match '^\s*FAIL \[') -and ($_ -notmatch '\bperformance\b') } |
               ForEach-Object { $_ -replace '^\s*FAIL \[\s*\d+\.\d+s\]\s*', '' -replace '\s+$', '' } |
               Sort-Object
 
diff --git a/scratchwork.ps1 b/scratchwork.ps1
index 89816aaa18e..5fa6c2f102f 100644
--- a/scratchwork.ps1
+++ b/scratchwork.ps1
@@ -22,9 +22,8 @@ $match_info = gh issue --repo GitoxideLabs/gitoxide view $issue --json body --jq
     Out-String |
     Select-String -Pattern '(?s)```text\r?\n(.*?)```'
 
-# FIXME: Check that the diff can fail, then filter out performance tests in Where-Object.
 $expected_failures = $match_info.Matches.Groups[1].Value -split "`n" |
-    Where-Object { $_ -match '^\s*FAIL \[' } |
+    Where-Object { ($_ -match '^\s*FAIL \[') -and ($_ -notmatch '\bperformance\b') } |
     ForEach-Object { $_ -replace '^\s*FAIL \[\s*\d+\.\d+s\]\s*', '' -replace '\s+$', '' } |
     Sort-Object