diff --git a/migrations/0006_RADKFILE.sql b/migrations/0006_RADKFILE.sql
index 74b4b02..c6c5802 100644
--- a/migrations/0006_RADKFILE.sql
+++ b/migrations/0006_RADKFILE.sql
@@ -18,4 +18,3 @@ CREATE TABLE "RADKFILE" (
 ) WITHOUT ROWID;
 
 CREATE INDEX "RADK" ON "RADKFILE"("radical");
-CREATE INDEX "KRAD" ON "RADKFILE"("kanji");
diff --git a/migrations/0008_XREF__KANJIDIC_Radical___RADKFILE.sql b/migrations/0008_XREF__KANJIDIC_Radical___RADKFILE.sql
index cbf3950..140fba9 100644
--- a/migrations/0008_XREF__KANJIDIC_Radical___RADKFILE.sql
+++ b/migrations/0008_XREF__KANJIDIC_Radical___RADKFILE.sql
@@ -4,7 +4,6 @@ CREATE TABLE "XREF__KANJIDIC_Radical__RADKFILE"(
   PRIMARY KEY ("radicalId", "radicalSymbol")
 ) WITHOUT ROWID;
 
-CREATE INDEX "XREF__KANJIDIC_Radical__RADKFILE__byRadicalId" ON "XREF__KANJIDIC_Radical__RADKFILE"("radicalId");
 CREATE INDEX "XREF__KANJIDIC_Radical__RADKFILE__byRadicalSymbol" ON "XREF__KANJIDIC_Radical__RADKFILE"("radicalSymbol");
 
 /* Source: https://ctext.org/kangxi-zidian */