diff --git a/BinaryObjectScanner/FileType/InstallShieldArchiveV3.cs b/BinaryObjectScanner/FileType/InstallShieldArchiveV3.cs
index fdde7e87..82f0272e 100644
--- a/BinaryObjectScanner/FileType/InstallShieldArchiveV3.cs
+++ b/BinaryObjectScanner/FileType/InstallShieldArchiveV3.cs
@@ -1,8 +1,6 @@
 using System;
 using System.IO;
-using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using UnshieldSharp.Archive;
 
 namespace BinaryObjectScanner.FileType
 {
diff --git a/Test/Extractor.cs b/Test/Extractor.cs
index 1da25c24..00605e2e 100644
--- a/Test/Extractor.cs
+++ b/Test/Extractor.cs
@@ -1,7 +1,8 @@
 using System;
 using System.IO;
-using System.Linq;
+#if NET452_OR_GREATER || NETCOREAPP
 using System.Text;
+#endif
 using BinaryObjectScanner.Utilities;
 #if NET40_OR_GREATER || NETCOREAPP
 using OpenMcdf;