diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 9c1ac63..463cd71 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -26,12 +26,7 @@
 LATIN_IME_SRC_DIR := src
 LATIN_IME_SRC_FULLPATH_DIR := $(LOCAL_PATH)/$(LATIN_IME_SRC_DIR)
 
-LOCAL_C_INCLUDES += \
-    $(LATIN_IME_SRC_FULLPATH_DIR) \
-    $(LATIN_IME_SRC_FULLPATH_DIR)/suggest \
-    $(LATIN_IME_SRC_FULLPATH_DIR)/suggest/core \
-    $(addprefix $(LATIN_IME_SRC_FULLPATH_DIR)/suggest/core/, dicnode dictionary policy session) \
-    $(addprefix $(LATIN_IME_SRC_FULLPATH_DIR)/suggest/policyimpl/, gesture typing)
+LOCAL_C_INCLUDES += $(LATIN_IME_SRC_FULLPATH_DIR)
 
 LOCAL_CFLAGS += -Werror -Wall -Wextra -Weffc++ -Wformat=2 -Wcast-qual -Wcast-align \
     -Wwrite-strings -Wfloat-equal -Wpointer-arith -Winit-self -Wredundant-decls -Wno-system-headers
@@ -65,18 +60,20 @@
     proximity_info_state_utils.cpp \
     unigram_dictionary.cpp \
     words_priority_queue.cpp \
-    suggest/core/dicnode/dic_node.cpp \
-    suggest/core/dicnode/dic_nodes_cache.cpp \
-    suggest/core/dicnode/dic_node_utils.cpp \
+    $(addprefix suggest/core/dicnode/, \
+        dic_node.cpp \
+        dic_node_utils.cpp \
+        dic_nodes_cache.cpp) \
+    suggest/core/suggest.cpp \
     suggest/core/policy/weighting.cpp \
     suggest/core/session/dic_traverse_session.cpp \
-    suggest/core/suggest.cpp \
     suggest/policyimpl/gesture/gesture_suggest_policy_factory.cpp \
-    suggest/policyimpl/typing/scoring_params.cpp \
-    suggest/policyimpl/typing/typing_scoring.cpp \
-    suggest/policyimpl/typing/typing_suggest_policy.cpp \
-    suggest/policyimpl/typing/typing_traversal.cpp \
-    suggest/policyimpl/typing/typing_weighting.cpp
+    $(addprefix suggest/policyimpl/typing/, \
+        scoring_params.cpp \
+        typing_scoring.cpp \
+        typing_suggest_policy.cpp \
+        typing_traversal.cpp \
+        typing_weighting.cpp)
 
 LOCAL_SRC_FILES := \
     $(LATIN_IME_JNI_SRC_FILES) \
diff --git a/native/jni/jni_common.cpp b/native/jni/jni_common.cpp
index 1ea2041..8e5c508 100644
--- a/native/jni/jni_common.cpp
+++ b/native/jni/jni_common.cpp
@@ -16,12 +16,12 @@
 
 #define LOG_TAG "LatinIME: jni"
 
+#include "jni_common.h"
+
 #include "com_android_inputmethod_keyboard_ProximityInfo.h"
 #include "com_android_inputmethod_latin_BinaryDictionary.h"
 #include "com_android_inputmethod_latin_DicTraverseSession.h"
 #include "defines.h"
-#include "jni.h"
-#include "jni_common.h"
 
 /*
  * Returns the JNI version on success, -1 on failure.
diff --git a/native/jni/src/dictionary.cpp b/native/jni/src/dictionary.cpp
index 12aca4a..ed6ddb5 100644
--- a/native/jni/src/dictionary.cpp
+++ b/native/jni/src/dictionary.cpp
@@ -16,17 +16,18 @@
 
 #define LOG_TAG "LatinIME: dictionary.cpp"
 
+#include "dictionary.h"
+
 #include <map> // TODO: remove
 #include <stdint.h>
 
 #include "bigram_dictionary.h"
 #include "binary_format.h"
 #include "defines.h"
-#include "dictionary.h"
 #include "dic_traverse_wrapper.h"
-#include "gesture_suggest_policy_factory.h"
-#include "suggest.h"
-#include "typing_suggest_policy_factory.h"
+#include "suggest/core/suggest.h"
+#include "suggest/policyimpl/gesture/gesture_suggest_policy_factory.h"
+#include "suggest/policyimpl/typing/typing_suggest_policy_factory.h"
 #include "unigram_dictionary.h"
 
 namespace latinime {
diff --git a/native/jni/src/suggest/core/dictionary/shortcut_utils.h b/native/jni/src/suggest/core/dictionary/shortcut_utils.h
index e592136..c411408 100644
--- a/native/jni/src/suggest/core/dictionary/shortcut_utils.h
+++ b/native/jni/src/suggest/core/dictionary/shortcut_utils.h
@@ -18,7 +18,7 @@
 #define LATINIME_SHORTCUT_UTILS
 
 #include "defines.h"
-#include "dic_node_utils.h"
+#include "suggest/core/dicnode/dic_node_utils.h"
 #include "terminal_attributes.h"
 
 namespace latinime {
diff --git a/native/jni/src/suggest/core/policy/traversal.h b/native/jni/src/suggest/core/policy/traversal.h
index 1d5082f..02c358a 100644
--- a/native/jni/src/suggest/core/policy/traversal.h
+++ b/native/jni/src/suggest/core/policy/traversal.h
@@ -20,6 +20,9 @@
 #include "defines.h"
 
 namespace latinime {
+
+class DicTraverseSession;
+
 class Traversal {
  public:
     virtual int getMaxPointerCount() const = 0;
diff --git a/native/jni/src/suggest/core/policy/weighting.cpp b/native/jni/src/suggest/core/policy/weighting.cpp
index 4d08fa0..e62b704 100644
--- a/native/jni/src/suggest/core/policy/weighting.cpp
+++ b/native/jni/src/suggest/core/policy/weighting.cpp
@@ -14,14 +14,15 @@
  * limitations under the License.
  */
 
+#include "suggest/core/policy/weighting.h"
+
 #include "char_utils.h"
 #include "defines.h"
-#include "dic_node.h"
-#include "dic_node_profiler.h"
-#include "dic_node_utils.h"
-#include "dic_traverse_session.h"
 #include "hash_map_compat.h"
-#include "weighting.h"
+#include "suggest/core/dicnode/dic_node.h"
+#include "suggest/core/dicnode/dic_node_profiler.h"
+#include "suggest/core/dicnode/dic_node_utils.h"
+#include "suggest/core/session/dic_traverse_session.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/core/policy/weighting.h b/native/jni/src/suggest/core/policy/weighting.h
index 83a0f4b..b92dbe2 100644
--- a/native/jni/src/suggest/core/policy/weighting.h
+++ b/native/jni/src/suggest/core/policy/weighting.h
@@ -18,6 +18,7 @@
 #define LATINIME_WEIGHTING_H
 
 #include "defines.h"
+#include "hash_map_compat.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/core/session/dic_traverse_session.cpp b/native/jni/src/suggest/core/session/dic_traverse_session.cpp
index 1f781dd..ef6616e 100644
--- a/native/jni/src/suggest/core/session/dic_traverse_session.cpp
+++ b/native/jni/src/suggest/core/session/dic_traverse_session.cpp
@@ -14,12 +14,13 @@
  * limitations under the License.
  */
 
+#include "suggest/core/session/dic_traverse_session.h"
+
 #include "defines.h"
 #include "dictionary.h"
-#include "dic_node_utils.h"
-#include "dic_traverse_session.h"
 #include "dic_traverse_wrapper.h"
 #include "jni.h"
+#include "suggest/core/dicnode/dic_node_utils.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/core/session/dic_traverse_session.h b/native/jni/src/suggest/core/session/dic_traverse_session.h
index af036f8..62e1d1a 100644
--- a/native/jni/src/suggest/core/session/dic_traverse_session.h
+++ b/native/jni/src/suggest/core/session/dic_traverse_session.h
@@ -21,10 +21,10 @@
 #include <vector>
 
 #include "defines.h"
-#include "dic_nodes_cache.h"
 #include "hash_map_compat.h"
 #include "jni.h"
 #include "proximity_info_state.h"
+#include "suggest/core/dicnode/dic_nodes_cache.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/core/suggest.cpp b/native/jni/src/suggest/core/suggest.cpp
index 7fba1d5..1e97a91 100644
--- a/native/jni/src/suggest/core/suggest.cpp
+++ b/native/jni/src/suggest/core/suggest.cpp
@@ -14,18 +14,20 @@
  * limitations under the License.
  */
 
+#include "suggest/core/suggest.h"
+
 #include "char_utils.h"
 #include "dictionary.h"
-#include "dic_node_priority_queue.h"
-#include "dic_node_vector.h"
-#include "dic_traverse_session.h"
 #include "proximity_info.h"
-#include "scoring.h"
-#include "shortcut_utils.h"
-#include "suggest.h"
+#include "suggest/core/dicnode/dic_node.h"
+#include "suggest/core/dicnode/dic_node_priority_queue.h"
+#include "suggest/core/dicnode/dic_node_vector.h"
+#include "suggest/core/dictionary/shortcut_utils.h"
+#include "suggest/core/policy/scoring.h"
+#include "suggest/core/policy/traversal.h"
+#include "suggest/core/policy/weighting.h"
+#include "suggest/core/session/dic_traverse_session.h"
 #include "terminal_attributes.h"
-#include "traversal.h"
-#include "weighting.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/core/suggest.h b/native/jni/src/suggest/core/suggest.h
index 75d646b..a1e7e7a 100644
--- a/native/jni/src/suggest/core/suggest.h
+++ b/native/jni/src/suggest/core/suggest.h
@@ -18,8 +18,8 @@
 #define LATINIME_SUGGEST_IMPL_H
 
 #include "defines.h"
-#include "suggest_interface.h"
-#include "suggest_policy.h"
+#include "suggest/core/suggest_interface.h"
+#include "suggest/core/policy/suggest_policy.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/policyimpl/typing/scoring_params.cpp b/native/jni/src/suggest/policyimpl/typing/scoring_params.cpp
index 90985d0..0fa684f 100644
--- a/native/jni/src/suggest/policyimpl/typing/scoring_params.cpp
+++ b/native/jni/src/suggest/policyimpl/typing/scoring_params.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "scoring_params.h"
+#include "suggest/policyimpl/typing/scoring_params.h"
 
 namespace latinime {
 // TODO: RENAME all
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_scoring.cpp b/native/jni/src/suggest/policyimpl/typing/typing_scoring.cpp
index 53f68f2..d8c6175 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_scoring.cpp
+++ b/native/jni/src/suggest/policyimpl/typing/typing_scoring.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "typing_scoring.h"
+#include "suggest/policyimpl/typing/typing_scoring.h"
 
 namespace latinime {
 const TypingScoring TypingScoring::sInstance;
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_scoring.h b/native/jni/src/suggest/policyimpl/typing/typing_scoring.h
index ed941f0..90e2133 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_scoring.h
+++ b/native/jni/src/suggest/policyimpl/typing/typing_scoring.h
@@ -18,8 +18,8 @@
 #define LATINIME_TYPING_SCORING_H
 
 #include "defines.h"
-#include "scoring.h"
-#include "scoring_params.h"
+#include "suggest/core/policy/scoring.h"
+#include "suggest/policyimpl/typing/scoring_params.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.cpp b/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.cpp
index cdde626..0c27639 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "typing_suggest_policy.h"
+#include "suggest/policyimpl/typing/typing_suggest_policy.h"
 
 namespace latinime {
 const TypingSuggestPolicy TypingSuggestPolicy::sInstance;
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.h b/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.h
index 55668fc..35f4809 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.h
+++ b/native/jni/src/suggest/policyimpl/typing/typing_suggest_policy.h
@@ -18,10 +18,10 @@
 #define LATINIME_TYPING_SUGGEST_POLICY_H
 
 #include "defines.h"
-#include "suggest_policy.h"
-#include "typing_scoring.h"
-#include "typing_traversal.h"
-#include "typing_weighting.h"
+#include "suggest/core/policy/suggest_policy.h"
+#include "suggest/policyimpl/typing/typing_scoring.h"
+#include "suggest/policyimpl/typing/typing_traversal.h"
+#include "suggest/policyimpl/typing/typing_weighting.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_traversal.cpp b/native/jni/src/suggest/policyimpl/typing/typing_traversal.cpp
index 68c614e..66f8ba9 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_traversal.cpp
+++ b/native/jni/src/suggest/policyimpl/typing/typing_traversal.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "typing_traversal.h"
+#include "suggest/policyimpl/typing/typing_traversal.h"
 
 namespace latinime {
 const bool TypingTraversal::CORRECT_OMISSION = true;
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_traversal.h b/native/jni/src/suggest/policyimpl/typing/typing_traversal.h
index 16153f8..f22029a 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_traversal.h
+++ b/native/jni/src/suggest/policyimpl/typing/typing_traversal.h
@@ -21,12 +21,12 @@
 
 #include "char_utils.h"
 #include "defines.h"
-#include "dic_node.h"
-#include "dic_node_vector.h"
-#include "dic_traverse_session.h"
 #include "proximity_info_state.h"
-#include "scoring_params.h"
-#include "traversal.h"
+#include "suggest/core/dicnode/dic_node.h"
+#include "suggest/core/dicnode/dic_node_vector.h"
+#include "suggest/core/policy/traversal.h"
+#include "suggest/core/session/dic_traverse_session.h"
+#include "suggest/policyimpl/typing/scoring_params.h"
 
 namespace latinime {
 class TypingTraversal : public Traversal {
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_weighting.cpp b/native/jni/src/suggest/policyimpl/typing/typing_weighting.cpp
index 6e4b2fb..1500341 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_weighting.cpp
+++ b/native/jni/src/suggest/policyimpl/typing/typing_weighting.cpp
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-#include "dic_node.h"
-#include "scoring_params.h"
-#include "typing_weighting.h"
+#include "suggest/policyimpl/typing/typing_weighting.h"
+
+#include "suggest/core/dicnode/dic_node.h"
+#include "suggest/policyimpl/typing/scoring_params.h"
 
 namespace latinime {
 const TypingWeighting TypingWeighting::sInstance;
diff --git a/native/jni/src/suggest/policyimpl/typing/typing_weighting.h b/native/jni/src/suggest/policyimpl/typing/typing_weighting.h
index e8075f4..52d54eb 100644
--- a/native/jni/src/suggest/policyimpl/typing/typing_weighting.h
+++ b/native/jni/src/suggest/policyimpl/typing/typing_weighting.h
@@ -18,9 +18,10 @@
 #define LATINIME_TYPING_WEIGHTING_H
 
 #include "defines.h"
-#include "dic_node_utils.h"
-#include "dic_traverse_session.h"
-#include "weighting.h"
+#include "suggest/core/dicnode/dic_node_utils.h"
+#include "suggest/core/policy/weighting.h"
+#include "suggest/core/session/dic_traverse_session.h"
+#include "suggest/policyimpl/typing/scoring_params.h"
 
 namespace latinime {