diff --git a/native/jni/src/proximity_info_state.cpp b/native/jni/src/proximity_info_state.cpp
index 141be26..fbdc2c8 100644
--- a/native/jni/src/proximity_info_state.cpp
+++ b/native/jni/src/proximity_info_state.cpp
@@ -246,11 +246,6 @@
     return UNRELATED_CHAR;
 }
 
-int ProximityInfoState::getSpaceY() const {
-    const int keyId = mProximityInfo->getKeyIndexOf(KEYCODE_SPACE);
-    return mProximityInfo->getKeyCenterYOfKeyIdG(keyId);
-}
-
 // Puts possible characters into filter and returns new filter size.
 int ProximityInfoState::getAllPossibleChars(
         const size_t index, int *const filter, const int filterSize) const {
diff --git a/native/jni/src/proximity_info_state.h b/native/jni/src/proximity_info_state.h
index ff1b350..0386450 100644
--- a/native/jni/src/proximity_info_state.h
+++ b/native/jni/src/proximity_info_state.h
@@ -155,8 +155,6 @@
     ProximityType getMatchedProximityId(const int index, const int c,
             const bool checkProximityChars, int *proximityIndex = 0) const;
 
-    int getSpaceY() const;
-
     int getAllPossibleChars(const size_t startIndex, int *const filter, const int filterSize) const;
 
     float getSpeedRate(const int index) const {