diff --git a/pom.xml b/pom.xml
index 653868a..cbc27cf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,10 +15,10 @@
4.13.2
5.10.1
1.10.1
- 1.9.21
+ 1.9.24
5.7.2
2.9
- 1.23.4
+ 1.23.5
0.7.0
12.0.1
diff --git a/src/main/java/org/sheinbergon/dremio/udf/gis/STIsSimple.java b/src/main/java/org/sheinbergon/dremio/udf/gis/STIsSimple.java
index 59f415c..678907b 100644
--- a/src/main/java/org/sheinbergon/dremio/udf/gis/STIsSimple.java
+++ b/src/main/java/org/sheinbergon/dremio/udf/gis/STIsSimple.java
@@ -21,7 +21,6 @@
import com.dremio.exec.expr.annotations.FunctionTemplate;
import com.dremio.exec.expr.annotations.Output;
import com.dremio.exec.expr.annotations.Param;
-import org.locationtech.jts.operation.valid.IsSimpleOp;
@FunctionTemplate(
name = "ST_IsSimple",