diff --git a/SabreTools.Core/ArrayExtensions.cs b/SabreTools.Core/ArrayExtensions.cs
index e5d632af..4de08c59 100644
--- a/SabreTools.Core/ArrayExtensions.cs
+++ b/SabreTools.Core/ArrayExtensions.cs
@@ -11,5 +11,29 @@ namespace SabreTools.Core
         {
             return array == null || array.Length == 0;
         }
+
+        //// <summary>
+        /// Returns if the first byte array starts with the second array
+        /// </summary>
+        public static bool StartsWith(this byte[] arr1, byte[] arr2, bool exact = false)
+        {
+            // If we have any invalid inputs, we return false
+            if (arr1 == null || arr2 == null
+                || arr1.Length == 0 || arr2.Length == 0
+                || arr2.Length > arr1.Length
+                || (exact && arr1.Length != arr2.Length))
+            {
+                return false;
+            }
+
+            // Otherwise, loop through and see
+            for (int i = 0; i < arr2.Length; i++)
+            {
+                if (arr1[i] != arr2[i])
+                    return false;
+            }
+
+            return true;
+        }
     }
 }
\ No newline at end of file
diff --git a/SabreTools.Core/Tools/Utilities.cs b/SabreTools.Core/Tools/Utilities.cs
index 26f2b4ff..a4daab70 100644
--- a/SabreTools.Core/Tools/Utilities.cs
+++ b/SabreTools.Core/Tools/Utilities.cs
@@ -111,33 +111,5 @@ namespace SabreTools.Core.Tools
                 _ => false,
             };
         }
-
-        //// <summary>
-        /// Returns if the first byte array starts with the second array
-        /// </summary>
-        /// <param name="arr1">First byte array to compare</param>
-        /// <param name="arr2">Second byte array to compare</param>
-        /// <param name="exact">True if the input arrays should match exactly, false otherwise (default)</param>
-        /// <returns>True if the first byte array starts with the second, false otherwise</returns>
-        public static bool StartsWith(this byte[] arr1, byte[] arr2, bool exact = false)
-        {
-            // If we have any invalid inputs, we return false
-            if (arr1 == null || arr2 == null
-                || arr1.Length == 0 || arr2.Length == 0
-                || arr2.Length > arr1.Length
-                || (exact && arr1.Length != arr2.Length))
-            {
-                return false;
-            }
-
-            // Otherwise, loop through and see
-            for (int i = 0; i < arr2.Length; i++)
-            {
-                if (arr1[i] != arr2[i])
-                    return false;
-            }
-
-            return true;
-        }
     }
 }
diff --git a/SabreTools.FileTypes/Aaru/AaruFormat.cs b/SabreTools.FileTypes/Aaru/AaruFormat.cs
index 8f33eb2d..2c0cef97 100644
--- a/SabreTools.FileTypes/Aaru/AaruFormat.cs
+++ b/SabreTools.FileTypes/Aaru/AaruFormat.cs
@@ -1,7 +1,6 @@
 using System.IO;
 using System.Text;
-
-using SabreTools.Core.Tools;
+using SabreTools.Core;
 using SabreTools.IO;
 
 namespace SabreTools.FileTypes.Aaru
diff --git a/SabreTools.FileTypes/BaseFile.cs b/SabreTools.FileTypes/BaseFile.cs
index 201e6ba5..f9afb10c 100644
--- a/SabreTools.FileTypes/BaseFile.cs
+++ b/SabreTools.FileTypes/BaseFile.cs
@@ -2,7 +2,6 @@
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
-
 using SabreTools.Core;
 using SabreTools.Core.Tools;
 using SabreTools.FileTypes.Aaru;