diff --git a/src/mod/event_handlers/mod_rayo/nlsml.c b/src/mod/event_handlers/mod_rayo/nlsml.c
index 867b31b5c1..6d18f4bb56 100644
--- a/src/mod/event_handlers/mod_rayo/nlsml.c
+++ b/src/mod/event_handlers/mod_rayo/nlsml.c
@@ -51,14 +51,15 @@ struct tag_def {
 /**
  * library configuration
  */
-static struct {
+typedef struct {
 	/** true if initialized */
 	switch_bool_t init;
 	/** Mapping of tag name to definition */
 	switch_hash_t *tag_defs;
 	/** library memory pool */
 	switch_memory_pool_t *pool;
-} globals;
+} nlsml_globals;
+static nlsml_globals globals = { 0 };
 
 /**
  * The node in the XML tree
@@ -88,6 +89,17 @@ struct nlsml_parser {
 	int nomatch;
 };
 
+/**
+ * Tag def destructor
+ */
+static void destroy_tag_def(void *ptr)
+{
+    struct tag_def *tag = (struct tag_def *) ptr;
+	if (tag->children_tags) {
+		switch_core_hash_destroy(&tag->children_tags);
+	}
+}
+
 /**
  * Add a definition for a tag
  * @param tag the name
@@ -114,7 +126,7 @@ static struct tag_def *add_tag_def(const char *tag, tag_attribs_fn attribs_fn, t
 	def->attribs_fn = attribs_fn;
 	def->cdata_fn = cdata_fn;
 	def->is_root = SWITCH_FALSE;
-	switch_core_hash_insert(globals.tag_defs, tag, def);
+	switch_core_hash_insert_destructor(globals.tag_defs, tag, def, destroy_tag_def);
 	return def;
 }
 
@@ -467,6 +479,24 @@ int nlsml_init(void)
 	return 1;
 }
 
+/**
+ * Destruction of NLSML parser environment
+ */
+void nlsml_destroy(void)
+{
+	if (globals.init) {
+		if (globals.tag_defs) {
+			switch_core_hash_destroy(&globals.tag_defs);
+			globals.tag_defs = NULL;
+		}
+		if (globals.pool) {
+			switch_core_destroy_memory_pool(&globals.pool);
+			globals.pool = NULL;
+		}
+		globals.init = SWITCH_FALSE;
+	}
+}
+
 /* For Emacs:
  * Local Variables:
  * mode:c
diff --git a/src/mod/event_handlers/mod_rayo/nlsml.h b/src/mod/event_handlers/mod_rayo/nlsml.h
index 75c4ad6378..f5be079ba5 100644
--- a/src/mod/event_handlers/mod_rayo/nlsml.h
+++ b/src/mod/event_handlers/mod_rayo/nlsml.h
@@ -1,6 +1,6 @@
 /*
  * mod_rayo for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2013, Grasshopper
+ * Copyright (C) 2013-2014, Grasshopper
  *
  * Version: MPL 1.1
  *
@@ -40,6 +40,7 @@ enum nlsml_match_type {
 };
 
 extern int nlsml_init(void);
+extern void nlsml_destroy(void);
 enum nlsml_match_type nlsml_parse(const char *result, const char *uuid);
 iks *nlsml_normalize(const char *result);
 extern iks *nlsml_create_dtmf_match(const char *digits, const char *interpretation);
diff --git a/src/mod/event_handlers/mod_rayo/rayo_cpa_detector.c b/src/mod/event_handlers/mod_rayo/rayo_cpa_detector.c
index b5f4a58fb8..702d20bec2 100644
--- a/src/mod/event_handlers/mod_rayo/rayo_cpa_detector.c
+++ b/src/mod/event_handlers/mod_rayo/rayo_cpa_detector.c
@@ -248,6 +248,17 @@ done:
 	return SWITCH_STATUS_SUCCESS;
 }
 
+/**
+ * Detector definition destructor
+ */
+static void destroy_detector(void *ptr)
+{
+    struct rayo_cpa_detector *detector = (struct rayo_cpa_detector *) ptr;
+	if (detector->signal_type_map) {
+		switch_core_hash_destroy(&detector->signal_type_map);
+	}
+}
+
 /**
  * Configure CPA
  */
@@ -353,7 +364,7 @@ static switch_status_t do_config(switch_memory_pool_t *pool, const char *config_
 						/* add signal-type to detector mapping */
 						const char *signal_type_ns = switch_core_sprintf(pool, "%s%s:%s", RAYO_CPA_BASE, signal_type, RAYO_VERSION);
 						event_ok = 1;
-						switch_core_hash_insert(globals.detectors, signal_type_ns, detector);
+						switch_core_hash_insert_destructor(globals.detectors, signal_type_ns, detector, destroy_detector);
 						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding CPA %s => %s\n", signal_type_ns, detector->name);
 					}
 
diff --git a/src/mod/event_handlers/mod_rayo/rayo_input_component.c b/src/mod/event_handlers/mod_rayo/rayo_input_component.c
index ecf59e85a7..a9412ee2b6 100644
--- a/src/mod/event_handlers/mod_rayo/rayo_input_component.c
+++ b/src/mod/event_handlers/mod_rayo/rayo_input_component.c
@@ -890,9 +890,12 @@ switch_status_t rayo_input_component_load(switch_loadable_module_interface_t **m
  */
 switch_status_t rayo_input_component_shutdown(void)
 {
-	srgs_parser_destroy(globals.parser);
 	switch_event_unbind_callback(on_detected_speech_event);
 
+	srgs_parser_destroy(globals.parser);
+	srgs_destroy();
+	nlsml_destroy();
+
 	rayo_cpa_component_shutdown();
 
 	return SWITCH_STATUS_SUCCESS;
diff --git a/src/mod/event_handlers/mod_rayo/rayo_output_component.c b/src/mod/event_handlers/mod_rayo/rayo_output_component.c
index f2548f380e..4f32bbec10 100644
--- a/src/mod/event_handlers/mod_rayo/rayo_output_component.c
+++ b/src/mod/event_handlers/mod_rayo/rayo_output_component.c
@@ -1226,6 +1226,8 @@ switch_status_t rayo_output_component_load(switch_loadable_module_interface_t **
  */
 switch_status_t rayo_output_component_shutdown(void)
 {
+	switch_core_hash_destroy(&fileman_globals.hash);
+
 	return SWITCH_STATUS_SUCCESS;
 }
 
diff --git a/src/mod/event_handlers/mod_rayo/srgs.c b/src/mod/event_handlers/mod_rayo/srgs.c
index aba23e9708..22ee02fd06 100644
--- a/src/mod/event_handlers/mod_rayo/srgs.c
+++ b/src/mod/event_handlers/mod_rayo/srgs.c
@@ -53,14 +53,15 @@ struct tag_def {
 /**
  * library configuration
  */
-static struct {
+typedef struct {
 	/** true if initialized */
 	switch_bool_t init;
 	/** Mapping of tag name to definition */
 	switch_hash_t *tag_defs;
 	/** library memory pool */
 	switch_memory_pool_t *pool;
-} globals;
+} srgs_globals;
+static srgs_globals globals = { 0 };
 
 /**
  * SRGS node types
@@ -376,6 +377,17 @@ static struct srgs_node *sn_insert_string(switch_memory_pool_t *pool, struct srg
 	return child;
 }
 
+/**
+ * Tag def destructor
+ */
+static void destroy_tag_def(void *ptr)
+{
+    struct tag_def *tag = (struct tag_def *) ptr;
+	if (tag->children_tags) {
+		switch_core_hash_destroy(&tag->children_tags);
+	}
+}
+
 /**
  * Add a definition for a tag
  * @param tag the name
@@ -402,7 +414,7 @@ static struct tag_def *add_tag_def(const char *tag, tag_attribs_fn attribs_fn, t
 	def->attribs_fn = attribs_fn;
 	def->cdata_fn = cdata_fn;
 	def->is_root = SWITCH_FALSE;
-	switch_core_hash_insert(globals.tag_defs, tag, def);
+	switch_core_hash_insert_destructor(globals.tag_defs, tag, def, destroy_tag_def);
 	return def;
 }
 
@@ -871,15 +883,18 @@ void srgs_parser_destroy(struct srgs_parser *parser)
 	switch_memory_pool_t *pool = parser->pool;
 	switch_hash_index_t *hi = NULL;
 
-	/* clean up all cached grammars */
-	for (hi = switch_core_hash_first(parser->cache); hi; hi = switch_core_hash_next(&hi)) {
-		struct srgs_grammar *grammar = NULL;
-		const void *key;
-		void *val;
-		switch_core_hash_this(hi, &key, NULL, &val);
-		grammar = (struct srgs_grammar *)val;
-		switch_assert(grammar);
-		srgs_grammar_destroy(grammar);
+	if (parser->cache) {
+		/* clean up all cached grammars */
+		for (hi = switch_core_hash_first(parser->cache); hi; hi = switch_core_hash_next(&hi)) {
+			struct srgs_grammar *grammar = NULL;
+			const void *key;
+			void *val;
+			switch_core_hash_this(hi, &key, NULL, &val);
+			grammar = (struct srgs_grammar *)val;
+			switch_assert(grammar);
+			srgs_grammar_destroy(grammar);
+		}
+		switch_core_hash_destroy(&parser->cache);
 	}
 	switch_core_destroy_memory_pool(&pool);
 }
@@ -1629,6 +1644,24 @@ int srgs_init(void)
 	return 1;
 }
 
+/**
+ * Destruction of SRGS parser environment
+ */
+void srgs_destroy(void)
+{
+	if (globals.init) {
+		if (globals.tag_defs) {
+			switch_core_hash_destroy(&globals.tag_defs);
+			globals.tag_defs = NULL;
+		}
+		if (globals.pool) {
+			switch_core_destroy_memory_pool(&globals.pool);
+			globals.pool = NULL;
+		}
+		globals.init = SWITCH_FALSE;
+	}
+}
+
 /* For Emacs:
  * Local Variables:
  * mode:c
diff --git a/src/mod/event_handlers/mod_rayo/srgs.h b/src/mod/event_handlers/mod_rayo/srgs.h
index 29ee916ce7..cfe2c6c93a 100644
--- a/src/mod/event_handlers/mod_rayo/srgs.h
+++ b/src/mod/event_handlers/mod_rayo/srgs.h
@@ -1,6 +1,6 @@
 /*
  * mod_rayo for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2013, Grasshopper
+ * Copyright (C) 2013-2014, Grasshopper
  *
  * Version: MPL 1.1
  *
@@ -46,6 +46,7 @@ enum srgs_match_type {
 };
 
 extern int srgs_init(void);
+extern void srgs_destroy(void);
 extern struct srgs_parser *srgs_parser_new(const char *uuid);
 extern struct srgs_grammar *srgs_parse(struct srgs_parser *parser, const char *document);
 extern const char *srgs_grammar_to_regex(struct srgs_grammar *grammar);