diff --git a/composer.json b/composer.json
index 7a319827..957e68eb 100644
--- a/composer.json
+++ b/composer.json
@@ -93,7 +93,6 @@
         "test:inline": "php bin/pest --configuration=phpunit.inline.xml",
         "test:parallel": "php bin/pest --exclude-group=integration --parallel --processes=3",
         "test:integration": "php bin/pest --group=integration -v",
-        "test:tia": "php bin/pest --configuration=tests-tia/phpunit.xml",
         "update:snapshots": "REBUILD_SNAPSHOTS=true php bin/pest --update-snapshots",
         "test": [
             "@test:lint",
diff --git a/src/Plugins/Tia.php b/src/Plugins/Tia.php
index 70453cd4..4c92911a 100644
--- a/src/Plugins/Tia.php
+++ b/src/Plugins/Tia.php
@@ -657,8 +657,7 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
             $changedFiles = new ChangedFiles($projectRoot);
             $branchSha = $graph->recordedAtSha($this->branch);
 
-            if ($changedFiles->gitAvailable()
-                && $branchSha !== null
+            if ($branchSha !== null
                 && $changedFiles->since($branchSha) === null) {
                 $this->renderBadge('WARN', 'Recorded commit is no longer reachable — graph will be rebuilt.');
                 $graph = null;
@@ -812,12 +811,6 @@ final class Tia implements AddsOutput, HandlesArguments, Terminable
     {
         $changedFiles = new ChangedFiles($projectRoot);
 
-        if (! $changedFiles->gitAvailable()) {
-            $this->renderBadge('WARN', 'Git unavailable — running full suite.');
-
-            return $arguments;
-        }
-
         $branchSha = $graph->recordedAtSha($this->branch);
         $changed = $changedFiles->since($branchSha) ?? [];
 
diff --git a/src/Plugins/Tia/ChangedFiles.php b/src/Plugins/Tia/ChangedFiles.php
index 6afa258a..64b2fa6a 100644
--- a/src/Plugins/Tia/ChangedFiles.php
+++ b/src/Plugins/Tia/ChangedFiles.php
@@ -100,10 +100,6 @@ final readonly class ChangedFiles
      */
     public function since(?string $sha): ?array
     {
-        if (! $this->gitAvailable()) {
-            return null;
-        }
-
         $files = [];
 
         if ($sha !== null && $sha !== '') {
@@ -215,10 +211,6 @@ final readonly class ChangedFiles
 
     public function currentBranch(): ?string
     {
-        if (! $this->gitAvailable()) {
-            return null;
-        }
-
         $process = new Process(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], $this->projectRoot);
         $process->run();
 
@@ -231,14 +223,6 @@ final readonly class ChangedFiles
         return $branch === '' || $branch === 'HEAD' ? null : $branch;
     }
 
-    public function gitAvailable(): bool
-    {
-        $process = new Process(['git', 'rev-parse', '--git-dir'], $this->projectRoot);
-        $process->run();
-
-        return $process->isSuccessful();
-    }
-
     private function shaIsReachable(string $sha): bool
     {
         $process = new Process(
@@ -322,10 +306,6 @@ final readonly class ChangedFiles
 
     public function currentSha(): ?string
     {
-        if (! $this->gitAvailable()) {
-            return null;
-        }
-
         $process = new Process(['git', 'rev-parse', 'HEAD'], $this->projectRoot);
         $process->run();