diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index 99cbdb9..3ea6bd4 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -333,6 +333,15 @@
 	return &info->i_inode;
 }
 
+static void cramfs_destroy_inode(struct inode *inode)
+{
+	struct cramfs_inode_info *info;
+
+	info = to_cramfs_inode_info(inode);
+
+	free(info);
+}
+
 static int cramfs_iterate(struct file *file, struct dir_context *ctx)
 {
 	struct dentry *dentry = file->f_path.dentry;
@@ -427,6 +436,7 @@
 
 static const struct super_operations cramfs_ops = {
 	.alloc_inode = cramfs_alloc_inode,
+	.destroy_inode = cramfs_destroy_inode,
 };
 
 static int cramfs_probe(struct device_d *dev)
diff --git a/fs/devfs.c b/fs/devfs.c
index b503f27..df229cc 100644
--- a/fs/devfs.c
+++ b/fs/devfs.c
@@ -200,6 +200,13 @@
 	return &node->inode;
 }
 
+static void devfs_destroy_inode(struct inode *inode)
+{
+	struct devfs_inode *node = container_of(inode, struct devfs_inode, inode);
+
+	free(node);
+}
+
 static int devfs_iterate(struct file *file, struct dir_context *ctx)
 {
 	struct cdev *cdev;
@@ -314,6 +321,7 @@
 
 static const struct super_operations devfs_ops = {
 	.alloc_inode = devfs_alloc_inode,
+	.destroy_inode = devfs_destroy_inode,
 };
 
 static int devfs_probe(struct device_d *dev)
diff --git a/fs/nfs.c b/fs/nfs.c
index 15ddab7..6c46372 100644
--- a/fs/nfs.c
+++ b/fs/nfs.c
@@ -1202,6 +1202,13 @@
 	return &node->inode;
 }
 
+static void nfs_destroy_inode(struct inode *inode)
+{
+	struct nfs_inode *node = nfsi(inode);
+
+	free(node);
+}
+
 static const struct inode_operations nfs_file_inode_operations;
 static const struct file_operations nfs_dir_operations;
 static const struct inode_operations nfs_dir_inode_operations;
@@ -1273,6 +1280,7 @@
 
 static const struct super_operations nfs_ops = {
 	.alloc_inode = nfs_alloc_inode,
+	.destroy_inode = nfs_destroy_inode,
 };
 
 static char *rootnfsopts;
diff --git a/fs/ramfs.c b/fs/ramfs.c
index 5328775..341b613 100644
--- a/fs/ramfs.c
+++ b/fs/ramfs.c
@@ -396,8 +396,16 @@
 	return &node->inode;
 }
 
+static void ramfs_destroy_inode(struct inode *inode)
+{
+	struct ramfs_inode *node = to_ramfs_inode(inode);
+
+	free(node);
+}
+
 static const struct super_operations ramfs_ops = {
 	.alloc_inode = ramfs_alloc_inode,
+	.destroy_inode = ramfs_destroy_inode,
 };
 
 static int ramfs_probe(struct device_d *dev)
diff --git a/fs/squashfs/squashfs.c b/fs/squashfs/squashfs.c
index 38aff6d..69451f7 100644
--- a/fs/squashfs/squashfs.c
+++ b/fs/squashfs/squashfs.c
@@ -76,8 +76,16 @@
 	return &node->vfs_inode;
 }
 
+static void squashfs_destroy_inode(struct inode *inode)
+{
+	struct squashfs_inode_info *node = squashfs_i(inode);
+
+	free(node);
+}
+
 static const struct super_operations squashfs_super_ops = {
-        .alloc_inode = squashfs_alloc_inode,
+	.alloc_inode = squashfs_alloc_inode,
+	.destroy_inode = squashfs_destroy_inode,
 };
 
 static int squashfs_probe(struct device_d *dev)