diff --git a/tests/SPC/util/GlobalEnvManagerTest.php b/tests/SPC/util/GlobalEnvManagerTest.php
index 28d60d34..1caeaa19 100644
--- a/tests/SPC/util/GlobalEnvManagerTest.php
+++ b/tests/SPC/util/GlobalEnvManagerTest.php
@@ -23,6 +23,10 @@ final class GlobalEnvManagerTest extends TestCase
             'SPC_TARGET' => getenv('SPC_TARGET'),
             'SPC_LIBC' => getenv('SPC_LIBC'),
         ];
+        // Temporarily set private GlobalEnvManager::$initialized to false (use reflection)
+        $reflection = new \ReflectionClass(GlobalEnvManager::class);
+        $property = $reflection->getProperty('initialized');
+        $property->setValue(null, false);
     }
 
     protected function tearDown(): void
@@ -35,6 +39,10 @@ final class GlobalEnvManagerTest extends TestCase
                 putenv("{$key}={$value}");
             }
         }
+        // Temporarily set private GlobalEnvManager::$initialized to false (use reflection)
+        $reflection = new \ReflectionClass(GlobalEnvManager::class);
+        $property = $reflection->getProperty('initialized');
+        $property->setValue(null, true);
     }
 
     public function testGetInitializedEnv(): void
diff --git a/tests/SPC/util/SPCTargetTest.php b/tests/SPC/util/SPCTargetTest.php
index 05d95e08..665b4045 100644
--- a/tests/SPC/util/SPCTargetTest.php
+++ b/tests/SPC/util/SPCTargetTest.php
@@ -34,17 +34,6 @@ final class SPCTargetTest extends TestBase
         }
     }
 
-    /**
-     * @dataProvider libcProvider
-     */
-    public function testIsStatic(string $libc, bool $expected): void
-    {
-        putenv("SPC_LIBC={$libc}");
-
-        $result = SPCTarget::isStatic();
-        $this->assertEquals($expected, $result);
-    }
-
     /**
      * @dataProvider libcProvider
      */