diff --git a/src/tree_schema_free.c b/src/tree_schema_free.c
new file mode 100644
index 0000000..deb227c
--- /dev/null
+++ b/src/tree_schema_free.c
@@ -0,0 +1,646 @@
+/**
+ * @file tree_schema.c
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @brief Schema tree implementation
+ *
+ * Copyright (c) 2015 - 2018 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+
+#include "common.h"
+
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "libyang.h"
+#include "context.h"
+#include "tree_schema_internal.h"
+#include "xpath.h"
+
+#define FREE_ARRAY(CTX, ARRAY, FUNC) {uint64_t c__; LY_ARRAY_FOR(ARRAY, c__){FUNC(CTX, &(ARRAY)[c__]);}LY_ARRAY_FREE(ARRAY);}
+#define FREE_MEMBER(CTX, MEMBER, FUNC) if (MEMBER) {FUNC(CTX, MEMBER);free(MEMBER);}
+#define FREE_STRING(CTX, STRING) if (STRING) {lydict_remove(CTX, STRING);}
+#define FREE_STRINGS(CTX, ARRAY) {uint64_t c__; LY_ARRAY_FOR(ARRAY, c__){FREE_STRING(CTX, ARRAY[c__]);}LY_ARRAY_FREE(ARRAY);}
+
+static void lysp_grp_free(struct ly_ctx *ctx, struct lysp_grp *grp);
+static void lysp_node_free(struct ly_ctx *ctx, struct lysp_node *node);
+
+static void
+lysp_stmt_free(struct ly_ctx *ctx, struct lysp_stmt *stmt)
+{
+    struct lysp_stmt *child, *next;
+
+    FREE_STRING(ctx, stmt->stmt);
+    FREE_STRING(ctx, stmt->arg);
+
+    LY_LIST_FOR_SAFE(stmt->child, next, child) {
+        lysp_stmt_free(ctx, child);
+    }
+
+    free(stmt);
+}
+
+static void
+lysp_ext_instance_free(struct ly_ctx *ctx, struct lysp_ext_instance *ext)
+{
+    struct lysp_stmt *stmt, *next;
+
+    FREE_STRING(ctx, ext->name);
+    FREE_STRING(ctx, ext->argument);
+
+    LY_LIST_FOR_SAFE(ext->child, next, stmt) {
+        lysp_stmt_free(ctx, stmt);
+    }
+}
+
+static void
+lysp_import_free(struct ly_ctx *ctx, struct lysp_import *import)
+{
+    /* imported module is freed directly from the context's list */
+    FREE_STRING(ctx, import->name);
+    FREE_STRING(ctx, import->prefix);
+    FREE_STRING(ctx, import->dsc);
+    FREE_STRING(ctx, import->ref);
+    FREE_ARRAY(ctx, import->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_include_free(struct ly_ctx *ctx, struct lysp_include *include)
+{
+    if (include->submodule) {
+        lysp_module_free(include->submodule);
+    }
+    FREE_STRING(ctx, include->name);
+    FREE_STRING(ctx, include->dsc);
+    FREE_STRING(ctx, include->ref);
+    FREE_ARRAY(ctx, include->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_revision_free(struct ly_ctx *ctx, struct lysp_revision *rev)
+{
+    FREE_STRING(ctx, rev->dsc);
+    FREE_STRING(ctx, rev->ref);
+    FREE_ARRAY(ctx, rev->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_ext_free(struct ly_ctx *ctx, struct lysp_ext *ext)
+{
+    FREE_STRING(ctx, ext->name);
+    FREE_STRING(ctx, ext->argument);
+    FREE_STRING(ctx, ext->dsc);
+    FREE_STRING(ctx, ext->ref);
+    FREE_ARRAY(ctx, ext->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_feature_free(struct ly_ctx *ctx, struct lysp_feature *feat)
+{
+    FREE_STRING(ctx, feat->name);
+    FREE_STRINGS(ctx, feat->iffeatures);
+    FREE_STRING(ctx, feat->dsc);
+    FREE_STRING(ctx, feat->ref);
+    FREE_ARRAY(ctx, feat->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_ident_free(struct ly_ctx *ctx, struct lysp_ident *ident)
+{
+    FREE_STRING(ctx, ident->name);
+    FREE_STRINGS(ctx, ident->iffeatures);
+    FREE_STRINGS(ctx, ident->bases);
+    FREE_STRING(ctx, ident->dsc);
+    FREE_STRING(ctx, ident->ref);
+    FREE_ARRAY(ctx, ident->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_restr_free(struct ly_ctx *ctx, struct lysp_restr *restr)
+{
+    FREE_STRING(ctx, restr->arg);
+    FREE_STRING(ctx, restr->emsg);
+    FREE_STRING(ctx, restr->eapptag);
+    FREE_STRING(ctx, restr->dsc);
+    FREE_STRING(ctx, restr->ref);
+    FREE_ARRAY(ctx, restr->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_type_enum_free(struct ly_ctx *ctx, struct lysp_type_enum *item)
+{
+    FREE_STRING(ctx, item->name);
+    FREE_STRING(ctx, item->dsc);
+    FREE_STRING(ctx, item->ref);
+    FREE_STRINGS(ctx, item->iffeatures);
+    FREE_ARRAY(ctx, item->exts, lysp_ext_instance_free);
+}
+
+static void lysc_type_free(struct ly_ctx *ctx, struct lysc_type *type);
+static void
+lysp_type_free(struct ly_ctx *ctx, struct lysp_type *type)
+{
+    FREE_STRING(ctx, type->name);
+    FREE_MEMBER(ctx, type->range, lysp_restr_free);
+    FREE_MEMBER(ctx, type->length, lysp_restr_free);
+    FREE_ARRAY(ctx, type->patterns, lysp_restr_free);
+    FREE_ARRAY(ctx, type->enums, lysp_type_enum_free);
+    FREE_ARRAY(ctx, type->bits, lysp_type_enum_free);
+    FREE_STRING(ctx, type->path);
+    FREE_STRINGS(ctx, type->bases);
+    FREE_ARRAY(ctx, type->types, lysp_type_free);
+    FREE_ARRAY(ctx, type->exts, lysp_ext_instance_free);
+    if (type->compiled) {
+        lysc_type_free(ctx, type->compiled);
+    }
+}
+
+static void
+lysp_tpdf_free(struct ly_ctx *ctx, struct lysp_tpdf *tpdf)
+{
+    FREE_STRING(ctx, tpdf->name);
+    FREE_STRING(ctx, tpdf->units);
+    FREE_STRING(ctx, tpdf->dflt);
+    FREE_STRING(ctx, tpdf->dsc);
+    FREE_STRING(ctx, tpdf->ref);
+    FREE_ARRAY(ctx, tpdf->exts, lysp_ext_instance_free);
+
+    lysp_type_free(ctx, &tpdf->type);
+
+}
+
+static void
+lysp_action_inout_free(struct ly_ctx *ctx, struct lysp_action_inout *inout)
+{
+    struct lysp_node *node, *next;
+
+    FREE_ARRAY(ctx, inout->musts, lysp_restr_free);
+    FREE_ARRAY(ctx, inout->typedefs, lysp_tpdf_free);
+    FREE_ARRAY(ctx, inout->groupings, lysp_grp_free);
+    LY_LIST_FOR_SAFE(inout->data, next, node) {
+        lysp_node_free(ctx, node);
+    }
+    FREE_ARRAY(ctx, inout->exts, lysp_ext_instance_free);
+
+}
+
+static void
+lysp_action_free(struct ly_ctx *ctx, struct lysp_action *action)
+{
+    FREE_STRING(ctx, action->name);
+    FREE_STRING(ctx, action->dsc);
+    FREE_STRING(ctx, action->ref);
+    FREE_STRINGS(ctx, action->iffeatures);
+    FREE_ARRAY(ctx, action->typedefs, lysp_tpdf_free);
+    FREE_ARRAY(ctx, action->groupings, lysp_grp_free);
+    FREE_MEMBER(ctx, action->input, lysp_action_inout_free);
+    FREE_MEMBER(ctx, action->output, lysp_action_inout_free);
+    FREE_ARRAY(ctx, action->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_notif_free(struct ly_ctx *ctx, struct lysp_notif *notif)
+{
+    struct lysp_node *node, *next;
+
+    FREE_STRING(ctx, notif->name);
+    FREE_STRING(ctx, notif->dsc);
+    FREE_STRING(ctx, notif->ref);
+    FREE_STRINGS(ctx, notif->iffeatures);
+    FREE_ARRAY(ctx, notif->musts, lysp_restr_free);
+    FREE_ARRAY(ctx, notif->typedefs, lysp_tpdf_free);
+    FREE_ARRAY(ctx, notif->groupings, lysp_grp_free);
+    LY_LIST_FOR_SAFE(notif->data, next, node) {
+        lysp_node_free(ctx, node);
+    }
+    FREE_ARRAY(ctx, notif->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_grp_free(struct ly_ctx *ctx, struct lysp_grp *grp)
+{
+    struct lysp_node *node, *next;
+
+    FREE_STRING(ctx, grp->name);
+    FREE_STRING(ctx, grp->dsc);
+    FREE_STRING(ctx, grp->ref);
+    FREE_ARRAY(ctx, grp->typedefs, lysp_tpdf_free);
+    FREE_ARRAY(ctx, grp->groupings, lysp_grp_free);
+    LY_LIST_FOR_SAFE(grp->data, next, node) {
+        lysp_node_free(ctx, node);
+    }
+    FREE_ARRAY(ctx, grp->actions, lysp_action_free);
+    FREE_ARRAY(ctx, grp->notifs, lysp_notif_free);
+    FREE_ARRAY(ctx, grp->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_when_free(struct ly_ctx *ctx, struct lysp_when *when)
+{
+    FREE_STRING(ctx, when->cond);
+    FREE_STRING(ctx, when->dsc);
+    FREE_STRING(ctx, when->ref);
+    FREE_ARRAY(ctx, when->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_augment_free(struct ly_ctx *ctx, struct lysp_augment *augment)
+{
+    struct lysp_node *node, *next;
+
+    FREE_STRING(ctx, augment->nodeid);
+    FREE_STRING(ctx, augment->dsc);
+    FREE_STRING(ctx, augment->ref);
+    FREE_MEMBER(ctx, augment->when, lysp_when_free);
+    FREE_STRINGS(ctx, augment->iffeatures);
+    LY_LIST_FOR_SAFE(augment->child, next, node) {
+        lysp_node_free(ctx, node);
+    }
+    FREE_ARRAY(ctx, augment->actions, lysp_action_free);
+    FREE_ARRAY(ctx, augment->notifs, lysp_notif_free);
+    FREE_ARRAY(ctx, augment->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_deviate_free(struct ly_ctx *ctx, struct lysp_deviate *d)
+{
+    struct lysp_deviate_add *add = (struct lysp_deviate_add*)d;
+    struct lysp_deviate_rpl *rpl = (struct lysp_deviate_rpl*)d;
+
+    FREE_ARRAY(ctx, d->exts, lysp_ext_instance_free);
+    switch(d->mod) {
+    case LYS_DEV_NOT_SUPPORTED:
+        /* nothing to do */
+        break;
+    case LYS_DEV_ADD:
+    case LYS_DEV_DELETE: /* compatible for dynamically allocated data */
+        FREE_STRING(ctx, add->units);
+        FREE_ARRAY(ctx, add->musts, lysp_restr_free);
+        FREE_STRINGS(ctx, add->uniques);
+        FREE_STRINGS(ctx, add->dflts);
+        break;
+    case LYS_DEV_REPLACE:
+        FREE_MEMBER(ctx, rpl->type, lysp_type_free);
+        FREE_STRING(ctx, rpl->units);
+        FREE_STRING(ctx, rpl->dflt);
+        break;
+    default:
+        LOGINT(ctx);
+        break;
+    }
+}
+
+static void
+lysp_deviation_free(struct ly_ctx *ctx, struct lysp_deviation *dev)
+{
+    struct lysp_deviate *next, *iter;
+
+    FREE_STRING(ctx, dev->nodeid);
+    FREE_STRING(ctx, dev->dsc);
+    FREE_STRING(ctx, dev->ref);
+    LY_LIST_FOR_SAFE(dev->deviates, next, iter) {
+        lysp_deviate_free(ctx, iter);
+        free(iter);
+    }
+    FREE_ARRAY(ctx, dev->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_refine_free(struct ly_ctx *ctx, struct lysp_refine *ref)
+{
+    FREE_STRING(ctx, ref->nodeid);
+    FREE_STRING(ctx, ref->dsc);
+    FREE_STRING(ctx, ref->ref);
+    FREE_STRINGS(ctx, ref->iffeatures);
+    FREE_ARRAY(ctx, ref->musts, lysp_restr_free);
+    FREE_STRING(ctx, ref->presence);
+    FREE_STRINGS(ctx, ref->dflts);
+    FREE_ARRAY(ctx, ref->exts, lysp_ext_instance_free);
+}
+
+static void
+lysp_node_free(struct ly_ctx *ctx, struct lysp_node *node)
+{
+    struct lysp_node *child, *next;
+
+    FREE_STRING(ctx, node->name);
+    FREE_STRING(ctx, node->dsc);
+    FREE_STRING(ctx, node->ref);
+    FREE_MEMBER(ctx, node->when, lysp_when_free);
+    FREE_STRINGS(ctx, node->iffeatures);
+    FREE_ARRAY(ctx, node->exts, lysp_ext_instance_free);
+
+    switch(node->nodetype) {
+    case LYS_CONTAINER:
+        FREE_ARRAY(ctx, ((struct lysp_node_container*)node)->musts, lysp_restr_free);
+        FREE_STRING(ctx, ((struct lysp_node_container*)node)->presence);
+        FREE_ARRAY(ctx, ((struct lysp_node_container*)node)->typedefs, lysp_tpdf_free);
+        FREE_ARRAY(ctx, ((struct lysp_node_container*)node)->groupings, lysp_grp_free);
+        LY_LIST_FOR_SAFE(((struct lysp_node_container*)node)->child, next, child) {
+            lysp_node_free(ctx, child);
+        }
+        FREE_ARRAY(ctx, ((struct lysp_node_container*)node)->actions, lysp_action_free);
+        FREE_ARRAY(ctx, ((struct lysp_node_container*)node)->notifs, lysp_notif_free);
+        break;
+    case LYS_LEAF:
+        FREE_ARRAY(ctx, ((struct lysp_node_leaf*)node)->musts, lysp_restr_free);
+        lysp_type_free(ctx, &((struct lysp_node_leaf*)node)->type);
+        FREE_STRING(ctx, ((struct lysp_node_leaf*)node)->units);
+        FREE_STRING(ctx, ((struct lysp_node_leaf*)node)->dflt);
+        break;
+    case LYS_LEAFLIST:
+        FREE_ARRAY(ctx, ((struct lysp_node_leaflist*)node)->musts, lysp_restr_free);
+        lysp_type_free(ctx, &((struct lysp_node_leaflist*)node)->type);
+        FREE_STRING(ctx, ((struct lysp_node_leaflist*)node)->units);
+        FREE_STRINGS(ctx, ((struct lysp_node_leaflist*)node)->dflts);
+        break;
+    case LYS_LIST:
+        FREE_ARRAY(ctx, ((struct lysp_node_list*)node)->musts, lysp_restr_free);
+        FREE_STRING(ctx, ((struct lysp_node_list*)node)->key);
+        FREE_ARRAY(ctx, ((struct lysp_node_list*)node)->typedefs, lysp_tpdf_free);
+        FREE_ARRAY(ctx, ((struct lysp_node_list*)node)->groupings,  lysp_grp_free);
+        LY_LIST_FOR_SAFE(((struct lysp_node_list*)node)->child, next, child) {
+            lysp_node_free(ctx, child);
+        }
+        FREE_ARRAY(ctx, ((struct lysp_node_list*)node)->actions, lysp_action_free);
+        FREE_ARRAY(ctx, ((struct lysp_node_list*)node)->notifs, lysp_notif_free);
+        FREE_STRINGS(ctx, ((struct lysp_node_list*)node)->uniques);
+        break;
+    case LYS_CHOICE:
+        LY_LIST_FOR_SAFE(((struct lysp_node_choice*)node)->child, next, child) {
+            lysp_node_free(ctx, child);
+        }
+        FREE_STRING(ctx, ((struct lysp_node_choice*)node)->dflt);
+        break;
+    case LYS_CASE:
+        LY_LIST_FOR_SAFE(((struct lysp_node_case*)node)->child, next, child) {
+            lysp_node_free(ctx, child);
+        }
+        break;
+    case LYS_ANYDATA:
+    case LYS_ANYXML:
+        FREE_ARRAY(ctx, ((struct lysp_node_anydata*)node)->musts, lysp_restr_free);
+        break;
+    case LYS_USES:
+        FREE_ARRAY(ctx, ((struct lysp_node_uses*)node)->refines, lysp_refine_free);
+        FREE_ARRAY(ctx, ((struct lysp_node_uses*)node)->augments, lysp_augment_free);
+        break;
+    default:
+        LOGINT(ctx);
+    }
+
+    free(node);
+}
+
+API void
+lysp_module_free(struct lysp_module *module)
+{
+    struct ly_ctx *ctx;
+    struct lysp_node *node, *next;
+
+    LY_CHECK_ARG_RET(NULL, module,);
+    ctx = module->ctx;
+
+    FREE_STRING(ctx, module->name);
+    FREE_STRING(ctx, module->filepath);
+    FREE_STRING(ctx, module->ns);  /* or belongs-to */
+    FREE_STRING(ctx, module->prefix);
+
+    FREE_ARRAY(ctx, module->imports, lysp_import_free);
+    FREE_ARRAY(ctx, module->includes, lysp_include_free);
+
+    FREE_STRING(ctx, module->org);
+    FREE_STRING(ctx, module->contact);
+    FREE_STRING(ctx, module->dsc);
+    FREE_STRING(ctx, module->ref);
+
+    FREE_ARRAY(ctx, module->revs, lysp_revision_free);
+    FREE_ARRAY(ctx, module->extensions, lysp_ext_free);
+    FREE_ARRAY(ctx, module->features, lysp_feature_free);
+    FREE_ARRAY(ctx, module->identities, lysp_ident_free);
+    FREE_ARRAY(ctx, module->typedefs, lysp_tpdf_free);
+    FREE_ARRAY(ctx, module->groupings, lysp_grp_free);
+    LY_LIST_FOR_SAFE(module->data, next, node) {
+        lysp_node_free(ctx, node);
+    }
+    FREE_ARRAY(ctx, module->augments, lysp_augment_free);
+    FREE_ARRAY(ctx, module->rpcs, lysp_action_free);
+    FREE_ARRAY(ctx, module->notifs, lysp_notif_free);
+    FREE_ARRAY(ctx, module->deviations, lysp_deviation_free);
+    FREE_ARRAY(ctx, module->exts, lysp_ext_instance_free);
+
+    free(module);
+}
+
+static void
+lysc_ext_instance_free(struct ly_ctx *ctx, struct lysc_ext_instance *ext)
+{
+    FREE_STRING(ctx, ext->argument);
+    FREE_ARRAY(ctx, ext->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_iffeature_free(struct ly_ctx *UNUSED(ctx), struct lysc_iffeature *iff)
+{
+    LY_ARRAY_FREE(iff->features);
+    free(iff->expr);
+}
+
+static void
+lysc_import_free(struct ly_ctx *ctx, struct lysc_import *import)
+{
+    /* imported module is freed directly from the context's list */
+    FREE_STRING(ctx, import->prefix);
+    FREE_ARRAY(ctx, import->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_ident_free(struct ly_ctx *ctx, struct lysc_ident *ident)
+{
+    FREE_STRING(ctx, ident->name);
+    FREE_ARRAY(ctx, ident->iffeatures, lysc_iffeature_free);
+    LY_ARRAY_FREE(ident->derived);
+    FREE_ARRAY(ctx, ident->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_feature_free(struct ly_ctx *ctx, struct lysc_feature *feat)
+{
+    FREE_STRING(ctx, feat->name);
+    FREE_ARRAY(ctx, feat->iffeatures, lysc_iffeature_free);
+    LY_ARRAY_FREE(feat->depfeatures);
+    FREE_ARRAY(ctx, feat->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_range_free(struct ly_ctx *ctx, struct lysc_range *range)
+{
+    LY_ARRAY_FREE(range->parts);
+    FREE_STRING(ctx, range->eapptag);
+    FREE_STRING(ctx, range->emsg);
+    FREE_ARRAY(ctx, range->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_pattern_free(struct ly_ctx *ctx, struct lysc_pattern **pattern)
+{
+    if (--(*pattern)->refcount) {
+        return;
+    }
+    pcre_free((*pattern)->expr);
+    pcre_free_study((*pattern)->expr_extra);
+    FREE_STRING(ctx, (*pattern)->eapptag);
+    FREE_STRING(ctx, (*pattern)->emsg);
+    FREE_ARRAY(ctx, (*pattern)->exts, lysc_ext_instance_free);
+    free(*pattern);
+}
+
+static void
+lysc_enum_item_free(struct ly_ctx *ctx, struct lysc_type_enum_item *item)
+{
+    FREE_STRING(ctx, item->name);
+    FREE_ARRAY(ctx, item->iffeatures, lysc_iffeature_free);
+    FREE_ARRAY(ctx, item->exts, lysc_ext_instance_free);
+}
+
+static void
+lysc_type_free(struct ly_ctx *ctx, struct lysc_type *type)
+{
+    if (--type->refcount) {
+        return;
+    }
+    switch(type->basetype) {
+    case LY_TYPE_BINARY:
+        FREE_MEMBER(ctx, ((struct lysc_type_bin*)type)->length, lysc_range_free);
+        break;
+    case LY_TYPE_BITS:
+        FREE_ARRAY(ctx, (struct lysc_type_enum_item*)((struct lysc_type_bits*)type)->bits, lysc_enum_item_free);
+        break;
+    case LY_TYPE_STRING:
+        FREE_MEMBER(ctx, ((struct lysc_type_str*)type)->length, lysc_range_free);
+        FREE_ARRAY(ctx, ((struct lysc_type_str*)type)->patterns, lysc_pattern_free);
+        break;
+    case LY_TYPE_ENUM:
+        FREE_ARRAY(ctx, ((struct lysc_type_enum*)type)->enums, lysc_enum_item_free);
+        break;
+    case LY_TYPE_INT8:
+    case LY_TYPE_UINT8:
+    case LY_TYPE_INT16:
+    case LY_TYPE_UINT16:
+    case LY_TYPE_INT32:
+    case LY_TYPE_UINT32:
+    case LY_TYPE_INT64:
+    case LY_TYPE_UINT64:
+        FREE_MEMBER(ctx, ((struct lysc_type_num*)type)->range, lysc_range_free);
+        break;
+    case LY_TYPE_BOOL:
+    case LY_TYPE_EMPTY:
+    case LY_TYPE_UNKNOWN: /* just to complete switch */
+        /* nothing to do */
+        break;
+    }
+    FREE_ARRAY(ctx, type->exts, lysc_ext_instance_free);
+
+    free(type);
+}
+
+void
+lysc_node_container_free(struct ly_ctx *ctx, struct lysc_node_container *node)
+{
+    struct lysc_node *child, *child_next;
+
+    LY_LIST_FOR_SAFE(node->child, child_next, child) {
+        lysc_node_free(ctx, child);
+    }
+}
+
+static void
+lysc_node_leaf_free(struct ly_ctx *ctx, struct lysc_node_leaf *node)
+{
+    if (node->type) {
+        lysc_type_free(ctx, node->type);
+    }
+}
+
+void
+lysc_node_free(struct ly_ctx *ctx, struct lysc_node *node)
+{
+    /* common part */
+    FREE_STRING(ctx, node->name);
+
+    /* nodetype-specific part */
+    switch(node->nodetype) {
+    case LYS_CONTAINER:
+        lysc_node_container_free(ctx, (struct lysc_node_container*)node);
+        break;
+    case LYS_LEAF:
+        lysc_node_leaf_free(ctx, (struct lysc_node_leaf*)node);
+        break;
+    default:
+        LOGINT(ctx);
+    }
+
+    free(node);
+}
+
+static void
+lysc_module_free_(struct lysc_module *module)
+{
+    struct ly_ctx *ctx;
+    struct lysc_node *node, *node_next;
+
+    LY_CHECK_ARG_RET(NULL, module,);
+    ctx = module->ctx;
+
+    FREE_STRING(ctx, module->name);
+    FREE_STRING(ctx, module->ns);
+    FREE_STRING(ctx, module->prefix);
+    FREE_STRING(ctx, module->revision);
+
+    FREE_ARRAY(ctx, module->imports, lysc_import_free);
+    FREE_ARRAY(ctx, module->features, lysc_feature_free);
+    FREE_ARRAY(ctx, module->identities, lysc_ident_free);
+
+    LY_LIST_FOR_SAFE(module->data, node_next, node) {
+        lysc_node_free(ctx, node);
+    }
+
+    FREE_ARRAY(ctx, module->exts, lysc_ext_instance_free);
+
+    free(module);
+}
+
+void
+lysc_module_free(struct lysc_module *module, void (*private_destructor)(const struct lysc_node *node, void *priv))
+{
+    (void) private_destructor;
+
+    if (module) {
+        lysc_module_free_(module);
+    }
+}
+
+void
+lys_module_free(struct lys_module *module, void (*private_destructor)(const struct lysc_node *node, void *priv))
+{
+    if (!module) {
+        return;
+    }
+
+    lysc_module_free(module->compiled, private_destructor);
+    lysp_module_free(module->parsed);
+    free(module);
+}