diff --git a/Kernel/Devices/GPTPartitionTable.h b/Kernel/Devices/GPTPartitionTable.h
index 02d238454a..b2ec2dd224 100644
--- a/Kernel/Devices/GPTPartitionTable.h
+++ b/Kernel/Devices/GPTPartitionTable.h
@@ -53,7 +53,6 @@ public:
 private:
     NonnullRefPtr<DiskDevice> m_device;
 
-    ByteBuffer read_header() const;
     const GPTPartitionHeader& header() const;
 
     u8 m_cached_header[512];
diff --git a/Kernel/Devices/MBRPartitionTable.h b/Kernel/Devices/MBRPartitionTable.h
index 6316fc0b03..e62beccc5d 100644
--- a/Kernel/Devices/MBRPartitionTable.h
+++ b/Kernel/Devices/MBRPartitionTable.h
@@ -42,7 +42,6 @@ public:
 private:
     NonnullRefPtr<DiskDevice> m_device;
 
-    ByteBuffer read_header() const;
     const MBRPartitionHeader& header() const;
 
     u8 m_cached_header[512];