diff --git a/backend/impls/dalgorm/dalgorm.go b/backend/impls/dalgorm/dalgorm.go
index ba635355f41..0445995fd50 100644
--- a/backend/impls/dalgorm/dalgorm.go
+++ b/backend/impls/dalgorm/dalgorm.go
@@ -453,6 +453,9 @@ func (d *Dalgorm) RenameTable(oldName, newName string) errors.Error {
 // DropIndexes drops indexes for specified table
 func (d *Dalgorm) DropIndexes(table string, indexNames ...string) errors.Error {
 	for _, indexName := range indexNames {
+		if !d.db.Migrator().HasIndex(table, indexName) {
+			continue
+		}
 		err := d.db.Migrator().DropIndex(table, indexName)
 		if err != nil {
 			return d.convertGormError(err)
diff --git a/backend/plugins/sonarqube/e2e/issue_code_block_long_component_test.go b/backend/plugins/sonarqube/e2e/issue_code_block_long_component_test.go
index 8076fa3a859..e1a7d52b5a5 100644
--- a/backend/plugins/sonarqube/e2e/issue_code_block_long_component_test.go
+++ b/backend/plugins/sonarqube/e2e/issue_code_block_long_component_test.go
@@ -80,6 +80,12 @@ func TestSonarqubeIssueCodeBlockLongComponent(t *testing.T) {
 		&sonarqubeIssueCodeBlockBeforeText{},
 		&cqIssueCodeBlockBeforeText{},
 	))
+	require.NoError(t, dataflowTester.Db.Migrator().DropIndex(
+		"cq_issue_code_blocks", "idx_cq_issue_code_blocks_component",
+	))
+	require.NoError(t, dataflowTester.Db.Migrator().DropIndex(
+		"_tool_sonarqube_issue_code_blocks", "idx__tool_sonarqube_issue_code_blocks_component",
+	))
 
 	existingComponent := "existing:component"
 	require.NoError(t, dataflowTester.Db.Create(&sonarqubeIssueCodeBlockBeforeText{