diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_gc_event_listeners.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_gc_event_listeners.cpp
index 1f00fc6..db1a802 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_gc_event_listeners.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_gc_event_listeners.cpp
@@ -65,7 +65,7 @@
 
 bool DynamicPtGcEventListeners::TraversePolicyToUpdateBigramProbability
         ::onVisitingPtNode(const PtNodeParams *const ptNodeParams) {
-    if (!ptNodeParams->isDeleted() && ptNodeParams->hasBigrams()) {
+    if (!ptNodeParams->isDeleted()) {
         int bigramEntryCount = 0;
         if (!mPtNodeWriter->updateAllBigramEntriesAndDeleteUselessEntries(ptNodeParams,
                 &bigramEntryCount)) {
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_updating_helper.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_updating_helper.cpp
index e77d39b..f31c914 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_updating_helper.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_updating_helper.cpp
@@ -270,8 +270,8 @@
         const bool isNotAWord, const bool isBlacklisted, const bool isTerminal, const int parentPos,
         const int codePointCount, const int *const codePoints, const int probability) const {
     const PatriciaTrieReadingUtils::NodeFlags flags = PatriciaTrieReadingUtils::createAndGetFlags(
-            isBlacklisted, isNotAWord, isTerminal, originalPtNodeParams->hasShortcutTargets(),
-            originalPtNodeParams->hasBigrams(), codePointCount > 1 /* hasMultipleChars */,
+            isBlacklisted, isNotAWord, isTerminal, false /* hasShortcutTargets */,
+            false /* hasBigrams */, codePointCount > 1 /* hasMultipleChars */,
             CHILDREN_POSITION_FIELD_SIZE);
     return PtNodeParams(originalPtNodeParams, flags, parentPos, codePointCount, codePoints,
             probability);
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.cpp
index f89d3d7..3d8da91 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.cpp
@@ -231,14 +231,6 @@
                 sourcePtNodeParams->getTerminalId(), targetPtNodeParam->getTerminalId());
         return false;
     }
-    if (!sourcePtNodeParams->hasBigrams()) {
-        // Update has bigrams flag.
-        return updatePtNodeFlags(sourcePtNodeParams->getHeadPos(),
-                sourcePtNodeParams->isBlacklisted(), sourcePtNodeParams->isNotAWord(),
-                sourcePtNodeParams->isTerminal(), sourcePtNodeParams->hasShortcutTargets(),
-                true /* hasBigrams */,
-                sourcePtNodeParams->getCodePointCount() > 1 /* hasMultipleChars */);
-    }
     return true;
 }
 
@@ -303,28 +295,9 @@
         AKLOGE("Cannot add new shortuct entry. terminalId: %d", ptNodeParams->getTerminalId());
         return false;
     }
-    if (!ptNodeParams->hasShortcutTargets()) {
-        // Update has shortcut targets flag.
-        return updatePtNodeFlags(ptNodeParams->getHeadPos(),
-                ptNodeParams->isBlacklisted(), ptNodeParams->isNotAWord(),
-                ptNodeParams->isTerminal(), true /* hasShortcutTargets */,
-                ptNodeParams->hasBigrams(),
-                ptNodeParams->getCodePointCount() > 1 /* hasMultipleChars */);
-    }
     return true;
 }
 
-bool Ver4PatriciaTrieNodeWriter::updatePtNodeHasBigramsAndShortcutTargetsFlags(
-        const PtNodeParams *const ptNodeParams) {
-    const bool hasBigrams = mBuffers->getBigramDictContent()->getBigramListHeadPos(
-            ptNodeParams->getTerminalId()) != NOT_A_DICT_POS;
-    const bool hasShortcutTargets = mBuffers->getShortcutDictContent()->getShortcutListHeadPos(
-            ptNodeParams->getTerminalId()) != NOT_A_DICT_POS;
-    return updatePtNodeFlags(ptNodeParams->getHeadPos(), ptNodeParams->isBlacklisted(),
-            ptNodeParams->isNotAWord(), ptNodeParams->isTerminal(), hasShortcutTargets,
-            hasBigrams, ptNodeParams->getCodePointCount() > 1 /* hasMultipleChars */);
-}
-
 bool Ver4PatriciaTrieNodeWriter::writePtNodeAndGetTerminalIdAndAdvancePosition(
         const PtNodeParams *const ptNodeParams, int *const outTerminalId,
         int *const ptNodeWritingPos) {
@@ -377,8 +350,7 @@
         return false;
     }
     return updatePtNodeFlags(nodePos, ptNodeParams->isBlacklisted(), ptNodeParams->isNotAWord(),
-            isTerminal, ptNodeParams->hasShortcutTargets(), ptNodeParams->hasBigrams(),
-            ptNodeParams->getCodePointCount() > 1 /* hasMultipleChars */);
+            isTerminal, ptNodeParams->getCodePointCount() > 1 /* hasMultipleChars */);
 }
 
 const ProbabilityEntry Ver4PatriciaTrieNodeWriter::createUpdatedEntryFrom(
@@ -402,11 +374,11 @@
 
 bool Ver4PatriciaTrieNodeWriter::updatePtNodeFlags(const int ptNodePos,
         const bool isBlacklisted, const bool isNotAWord, const bool isTerminal,
-        const bool hasShortcutTargets, const bool hasBigrams, const bool hasMultipleChars) {
+        const bool hasMultipleChars) {
     // Create node flags and write them.
     PatriciaTrieReadingUtils::NodeFlags nodeFlags =
             PatriciaTrieReadingUtils::createAndGetFlags(isBlacklisted, isNotAWord, isTerminal,
-                    hasShortcutTargets, hasBigrams, hasMultipleChars,
+                    false /* hasShortcutTargets */, false /* hasBigrams */, hasMultipleChars,
                     CHILDREN_POSITION_FIELD_SIZE);
     if (!DynamicPtWritingUtils::writeFlags(mTrieBuffer, nodeFlags, ptNodePos)) {
         AKLOGE("Cannot write PtNode flags. flags: %x, pos: %d", nodeFlags, ptNodePos);
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.h b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.h
index e90bc44..162dc9b 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.h
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_writer.h
@@ -93,8 +93,6 @@
             const int *const targetCodePoints, const int targetCodePointCount,
             const int shortcutProbability);
 
-    bool updatePtNodeHasBigramsAndShortcutTargetsFlags(const PtNodeParams *const ptNodeParams);
-
  private:
     DISALLOW_COPY_AND_ASSIGN(Ver4PatriciaTrieNodeWriter);
 
@@ -110,8 +108,7 @@
             const UnigramProperty *const unigramProperty) const;
 
     bool updatePtNodeFlags(const int ptNodePos, const bool isBlacklisted, const bool isNotAWord,
-            const bool isTerminal, const bool hasShortcutTargets, const bool hasBigrams,
-            const bool hasMultipleChars);
+            const bool isTerminal, const bool hasMultipleChars);
 
     static const int CHILDREN_POSITION_FIELD_SIZE;
 
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_writing_helper.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_writing_helper.cpp
index 3eedcf2..40fdfa0 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_writing_helper.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_writing_helper.cpp
@@ -286,8 +286,9 @@
     }
     if (!mPtNodeWriter->updateTerminalId(ptNodeParams, it->second)) {
         AKLOGE("Cannot update terminal id. %d -> %d", it->first, it->second);
+        return false;
     }
-    return mPtNodeWriter->updatePtNodeHasBigramsAndShortcutTargetsFlags(ptNodeParams);
+    return true;
 }
 
 } // namespace latinime