diff --git a/src/libruntime/target/linux/bytecode-linux.h b/src/liboptimizer/bytecode-data.h
similarity index 100%
rename from src/libruntime/target/linux/bytecode-linux.h
rename to src/liboptimizer/bytecode-data.h
diff --git a/src/libruntime/target/linux/deserializer.c b/src/liboptimizer/deserializer.c
similarity index 98%
rename from src/libruntime/target/linux/deserializer.c
rename to src/liboptimizer/deserializer.c
index 8356015b7..f2f7c88fe 100644
--- a/src/libruntime/target/linux/deserializer.c
+++ b/src/liboptimizer/deserializer.c
@@ -14,7 +14,7 @@
  */
 
 #include "deserializer.h"
-#include "bytecode-linux.h"
+#include "bytecode-data.h"
 
 int *num_data = NULL;
 uint8_t num_size = 0;
diff --git a/src/libruntime/deserializer.h b/src/liboptimizer/deserializer.h
similarity index 100%
rename from src/libruntime/deserializer.h
rename to src/liboptimizer/deserializer.h
diff --git a/src/libruntime/target/linux/pretty-printer.c b/src/liboptimizer/pretty-printer.c
similarity index 100%
rename from src/libruntime/target/linux/pretty-printer.c
rename to src/liboptimizer/pretty-printer.c
diff --git a/src/libruntime/target/linux/pretty-printer.h b/src/liboptimizer/pretty-printer.h
similarity index 100%
rename from src/libruntime/target/linux/pretty-printer.h
rename to src/liboptimizer/pretty-printer.h
diff --git a/src/libruntime/target/linux/serializer.c b/src/liboptimizer/serializer.c
similarity index 99%
rename from src/libruntime/target/linux/serializer.c
rename to src/liboptimizer/serializer.c
index ed6f8b3d5..e3ef9feeb 100644
--- a/src/libruntime/target/linux/serializer.c
+++ b/src/liboptimizer/serializer.c
@@ -16,7 +16,7 @@
 #include "serializer.h"
 #include "parser.h"
 #include "jerry-libc.h"
-#include "bytecode-linux.h"
+#include "bytecode-data.h"
 #include "deserializer.h"
 #include "pretty-printer.h"
 
diff --git a/src/libruntime/serializer.h b/src/liboptimizer/serializer.h
similarity index 100%
rename from src/libruntime/serializer.h
rename to src/liboptimizer/serializer.h
diff --git a/src/libruntime/target/stm32f4/bytecode-stm.h b/src/libruntime/target/stm32f4/bytecode-stm.h
deleted file mode 100644
index 7e7fcda2e..000000000
--- a/src/libruntime/target/stm32f4/bytecode-stm.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Copyright 2014 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef BYTECODE_STM_H
-#define BYTECODE_STM_H
-
-#include "opcodes.h"
-
-#define MAX_OPCODES 255
-
-/* bytecode_data contains identifiers, string and num literals.
-   Memory map if the following.
-
-   bytecode_data {
-      U8 strs_count;
-      U8 string_offsets[str_count];
-      U8* strings[str_count];
-
-      U8 nums_count;
-      U32 nums[nums_count];
-   } */
-uint8_t *bytecode_data;
-OPCODE bytecode_opcodes[MAX_OPCODES];
-
-#endif // BYTECODE_STM_H
\ No newline at end of file
diff --git a/src/libruntime/target/stm32f4/deserializer.c b/src/libruntime/target/stm32f4/deserializer.c
deleted file mode 100644
index a44b27f6f..000000000
--- a/src/libruntime/target/stm32f4/deserializer.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* Copyright 2014 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "deserializer.h"
-#include "bytecode-stm.h"
-
-TODO (Read from flash)
-
-int *num_data = NULL;
-uint8_t num_size = 0;
-
-const ecma_char_t *
-deserialize_string_by_id (uint8_t id)
-{
-  uint8_t size, *data;
-  uint16_t offset;
-
-  if (bytecode_data == NULL)
-    return NULL;
-  
-  size = *bytecode_data;
-
-  if (id >= size)
-    return NULL;
-
-  data = bytecode_data;
-
-  data += id * 2 + 1;
-
-  offset = *((uint16_t *) data);
-
-  return ((const ecma_char_t *) bytecode_data + offset);
-}
-
-int 
-deserialize_num_by_id (uint8_t id)
-{
-  uint16_t str_size, str_offset;
-
-  str_size = *bytecode_data;
-  if (id < str_size)
-    {
-      return 0;
-    }
-  id = (uint8_t) (id - str_size);
-  
-  if (num_data == NULL)
-    {
-      // Go to last string's offset
-      uint8_t *data = (uint8_t *) (bytecode_data + str_size * 2 - 1);
-      str_offset = *((uint16_t *) data);
-      data = bytecode_data + str_offset;
-
-      while (*data)
-        data++;
-  
-      num_size = *(++data);
-      num_data = (int *) ++data;
-    }
-
-  if (id >= num_size)
-    return 0;
-
-  return num_data[id];
-}
-
-const void *
-deserialize_bytecode (void)
-{
-  return bytecode_opcodes;
-}
-
-uint8_t 
-deserialize_min_temp (void)
-{
-  uint8_t str_size = *bytecode_data;
-  
-  if (num_size == 0)
-    {
-      deserialize_num_by_id (str_size); // Init num_data and num_size
-    }
-
-  return (uint8_t) (str_size + num_size);
-}
diff --git a/src/libruntime/target/stm32f4/serializer.c b/src/libruntime/target/stm32f4/serializer.c
deleted file mode 100644
index cf35b2e77..000000000
--- a/src/libruntime/target/stm32f4/serializer.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Copyright 2014 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "serializer.h"
-#include "parser.h"
-#include "globals.h"
-#include "serializer.h"
-#include "jerry-libc.h"
-#include "bytecode-stm.h"
-#include "deserializer.h"
-
-TODO (Dump to flash)
-
-void
-serializer_init (bool show_opcodes __unused)
-{
-}
-
-uint16_t
-serializer_dump_strings (const char *strings[], uint8_t size)
-{
-  uint8_t i;
-  uint16_t offset = (uint8_t) (size * 2 + 1), res;
-
-  for (i = 0; i < size; i++)
-    {
-      offset = (uint16_t) (offset + __strlen (strings[i]) + 1);
-    }
-
-  bytecode_data = mem_heap_alloc_block (offset, MEM_HEAP_ALLOC_SHORT_TERM);
-  res = offset;
-
-  bytecode_data[0] = size;
-  offset = (uint16_t) (size * 2 + 1);
-  for (i = 0; i < size; i++)
-    {
-      *((uint16_t *) (bytecode_data + i * 2 + 1)) = offset;
-      offset = (uint16_t) (offset + __strlen (strings[i]) + 1);
-    }
-
-  for (i = 0; i < size; i++)
-    {
-      offset = *((uint16_t *) (bytecode_data + i * 2 + 1));
-      __strncpy ((char *) (bytecode_data + offset), strings[i], __strlen (strings[i]) + 1);
-    }
-
-#ifndef JERRY_NDEBUG
-  for (i = 0; i < size; i++)
-    {
-      JERRY_ASSERT (!__strcmp (strings[i], (const char *) deserialize_string_by_id (i)));
-    }
-#endif
-
-  return res;
-}
-
-void 
-serializer_dump_nums (const int32_t nums[], uint8_t size, uint16_t offset, uint8_t strings_num __unused)
-{
-  uint8_t i, *data;
-
-  data = mem_heap_alloc_block ((size_t) (offset + size * 4 + 1), MEM_HEAP_ALLOC_LONG_TERM);
-  if (!data)
-    parser_fatal (ERR_MEMORY);
-  
-  __memcpy (data, bytecode_data, offset);
-  mem_heap_free_block (bytecode_data);
-
-  bytecode_data = data;
-  data += offset;
-  data[0] = size;
-  data++;
-  for (i = 0; i < size; i++)
-    {
-      __memcpy (data, nums + i, 4);
-      data += 4;
-    }
-
-#ifndef JERRY_NDEBUG
-  for (i = 0; i < size; i++)
-    {
-      JERRY_ASSERT (nums[i] == deserialize_num_by_id ((uint8_t) (i + strings_num)));
-    }
-
-  JERRY_ASSERT (deserialize_min_temp () == (uint8_t) (size + strings_num));
-#endif
-}
-
-static int opcode_counter = 0;
-
-void
-serializer_dump_opcode (OPCODE opcode)
-{
-  bytecode_opcodes[opcode_counter++] = opcode;
-}
-
-void
-serializer_rewrite_opcode (const opcode_counter_t loc, OPCODE opcode)
-{
-  bytecode_opcodes[loc] = opcode;
-}
-
-void
-serializer_print_opcodes (void)
-{
-  JERRY_UNREACHABLE ();
-}