diff --git a/cr-dump.c b/cr-dump.c
index 806544d6d..3af077b0b 100644
--- a/cr-dump.c
+++ b/cr-dump.c
@@ -1546,7 +1546,6 @@ int cr_dump_tasks(pid_t pid)
 	if (ret)
 		goto err;
 
-	fd_id_show_tree();
 err:
 	if (disconnect_from_page_server())
 		ret = -1;
diff --git a/file-ids.c b/file-ids.c
index 3226d159e..78e270778 100644
--- a/file-ids.c
+++ b/file-ids.c
@@ -22,11 +22,6 @@
 
 static DECLARE_KCMP_TREE(fd_tree, KCMP_FILE);
 
-void fd_id_show_tree(void)
-{
-	kid_show_tree(&fd_tree);
-}
-
 #define FDID_BITS	5
 #define FDID_SIZE	(1 << FDID_BITS)
 #define FDID_MASK	(FDID_SIZE - 1)
diff --git a/include/file-ids.h b/include/file-ids.h
index 6323d98bd..2da4ceffd 100644
--- a/include/file-ids.h
+++ b/include/file-ids.h
@@ -16,6 +16,5 @@ struct stat;
 struct fd_parms;
 extern int fd_id_generate(pid_t pid, FdinfoEntry *fe, struct fd_parms *p);
 extern int fd_id_generate_special(struct fd_parms *p, u32 *id);
-extern void fd_id_show_tree(void);
 
 #endif /* __CR_FILE_IDS_H__ */
diff --git a/include/kcmp-ids.h b/include/kcmp-ids.h
index e9e91014d..afe68d6d3 100644
--- a/include/kcmp-ids.h
+++ b/include/kcmp-ids.h
@@ -25,6 +25,5 @@ struct kid_elem {
 
 extern u32 kid_generate_gen(struct kid_tree *tree,
 			    struct kid_elem *elem, int *new_id);
-extern void kid_show_tree(struct kid_tree *tree);
 
 #endif /* __CR_KCMP_IDS_H__ */
diff --git a/kcmp-ids.c b/kcmp-ids.c
index f082d9730..9755969b3 100644
--- a/kcmp-ids.c
+++ b/kcmp-ids.c
@@ -56,59 +56,6 @@ struct kid_entry {
 	struct kid_elem	elem;
 } __aligned(sizeof(long));
 
-static void show_subnode(struct rb_node *node, int self)
-{
-	struct kid_entry *this = rb_entry(node, struct kid_entry, subtree_node);
-
-	pr_info("\t\t| %#x.%#x %s\n", this->elem.genid, this->subid,
-			self ? "(self)" : "");
-	if (node->rb_left) {
-		pr_info("\t\t| left:\n");
-		show_subnode(node->rb_left, 0);
-		pr_info("\t\t| --l\n");
-	}
-	if (node->rb_right) {
-		pr_info("\t\t| right:\n");
-		show_subnode(node->rb_right, 0);
-		pr_info("\t\t| --r\n");
-	}
-}
-
-static void show_subtree(struct rb_root *root)
-{
-	pr_info("\t\t| SubTree\n");
-	show_subnode(root->rb_node, 1);
-}
-
-static void show_node(struct rb_node *node)
-{
-	struct kid_entry *this = rb_entry(node, struct kid_entry, node);
-
-	pr_info("\t%#x.%#x\n", this->elem.genid, this->subid);
-	if (node->rb_left) {
-		pr_info("\tleft:\n");
-		show_node(node->rb_left);
-		pr_info("\t--l\n");
-	}
-	if (node->rb_right) {
-		pr_info("\tright:\n");
-		show_node(node->rb_right);
-		pr_info("\t--r\n");
-	}
-
-	show_subtree(&this->subtree_root);
-	pr_info("\t--s\n");
-}
-
-void kid_show_tree(struct kid_tree *tree)
-{
-	struct rb_root *root = &tree->root;
-
-	pr_info("\tTree of %d objects\n", tree->kcmp_type);
-	if (root->rb_node)
-		show_node(root->rb_node);
-}
-
 static struct kid_entry *alloc_kid_entry(struct kid_tree *tree, struct kid_elem *elem)
 {
 	struct kid_entry *e;