diff --git a/native/jni/src/proximity_info.cpp b/native/jni/src/proximity_info.cpp
index 960d401..80e14fb 100644
--- a/native/jni/src/proximity_info.cpp
+++ b/native/jni/src/proximity_info.cpp
@@ -35,6 +35,8 @@
     }
 }
 
+const float ProximityInfo::NOT_A_DISTANCE_FLOAT = -1.0f;
+
 ProximityInfo::ProximityInfo(const std::string localeStr, const int maxProximityCharsSize,
         const int keyboardWidth, const int keyboardHeight, const int gridWidth,
         const int gridHeight, const int mostCommonKeyWidth,
@@ -42,8 +44,8 @@
         const int32_t *keyYCoordinates, const int32_t *keyWidths, const int32_t *keyHeights,
         const int32_t *keyCharCodes, const float *sweetSpotCenterXs, const float *sweetSpotCenterYs,
         const float *sweetSpotRadii)
-        : MAX_PROXIMITY_CHARS_SIZE(maxProximityCharsSize), KEYBOARD_WIDTH(keyboardWidth),
-          KEYBOARD_HEIGHT(keyboardHeight), GRID_WIDTH(gridWidth), GRID_HEIGHT(gridHeight),
+        : MAX_PROXIMITY_CHARS_SIZE(maxProximityCharsSize),
+          GRID_WIDTH(gridWidth), GRID_HEIGHT(gridHeight),
           MOST_COMMON_KEY_WIDTH_SQUARE(mostCommonKeyWidth * mostCommonKeyWidth),
           CELL_WIDTH((keyboardWidth + gridWidth - 1) / gridWidth),
           CELL_HEIGHT((keyboardHeight + gridHeight - 1) / gridHeight),
diff --git a/native/jni/src/proximity_info.h b/native/jni/src/proximity_info.h
index feb0c94..3a2511c 100644
--- a/native/jni/src/proximity_info.h
+++ b/native/jni/src/proximity_info.h
@@ -77,7 +77,7 @@
     static const int MAX_KEY_COUNT_IN_A_KEYBOARD = 64;
     // The upper limit of the char code in mCodeToKeyIndex
     static const int MAX_CHAR_CODE = 127;
-    static const float NOT_A_DISTANCE_FLOAT = -1.0f;
+    static const float NOT_A_DISTANCE_FLOAT;
     static const int NOT_A_CODE = -1;
 
     int getStartIndexFromCoordinates(const int x, const int y) const;
@@ -98,8 +98,6 @@
             const int x, const int y, const int32_t primaryKey, int *inputCodes) const;
 
     const int MAX_PROXIMITY_CHARS_SIZE;
-    const int KEYBOARD_WIDTH;
-    const int KEYBOARD_HEIGHT;
     const int GRID_WIDTH;
     const int GRID_HEIGHT;
     const int MOST_COMMON_KEY_WIDTH_SQUARE;
@@ -108,8 +106,6 @@
     const int KEY_COUNT;
     const bool HAS_TOUCH_POSITION_CORRECTION_DATA;
     const std::string mLocaleStr;
-    // TODO: remove this
-    const int *mInputCodesFromJava;
     int32_t *mInputCodes;
     const int *mInputXCoordinates;
     const int *mInputYCoordinates;
diff --git a/tools/maketext/Android.mk b/tools/maketext/Android.mk
index 98731b7..77914ca 100644
--- a/tools/maketext/Android.mk
+++ b/tools/maketext/Android.mk
@@ -19,7 +19,6 @@
 LOCAL_SRC_FILES += $(call all-java-files-under,src)
 LOCAL_JAR_MANIFEST := etc/manifest.txt
 LOCAL_JAVA_RESOURCE_DIRS := res
-LOCAL_MODULE_TAGS := eng
 LOCAL_MODULE := maketext
 
 include $(BUILD_HOST_JAVA_LIBRARY)
diff --git a/tools/maketext/etc/Android.mk b/tools/maketext/etc/Android.mk
index 4fa194b..475676b 100644
--- a/tools/maketext/etc/Android.mk
+++ b/tools/maketext/etc/Android.mk
@@ -15,7 +15,6 @@
 LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_MODULE_TAGS := eng
-
 LOCAL_PREBUILT_EXECUTABLES := maketext
+
 include $(BUILD_HOST_PREBUILT)