diff --git a/Kernel/FileSystem/InodeIdentifier.h b/Kernel/FileSystem/InodeIdentifier.h
index 080d2f2746..8cee21a3fb 100644
--- a/Kernel/FileSystem/InodeIdentifier.h
+++ b/Kernel/FileSystem/InodeIdentifier.h
@@ -8,7 +8,6 @@
 
 #include <AK/ByteBuffer.h>
 #include <AK/DistinctNumeric.h>
-#include <AK/String.h>
 #include <AK/Types.h>
 
 namespace Kernel {
@@ -45,8 +44,6 @@ public:
         return m_fsid != other.m_fsid || m_index != other.m_index;
     }
 
-    String to_string() const { return String::formatted("{}:{}", m_fsid, m_index); }
-
 private:
     u32 m_fsid { 0 };
     InodeIndex m_index { 0 };