diff --git a/core/src/main/java/info/openrocket/core/aerodynamics/barrowman/RailButtonCalc.java b/core/src/main/java/info/openrocket/core/aerodynamics/barrowman/RailButtonCalc.java
index 23813006c..17cb6d102 100644
--- a/core/src/main/java/info/openrocket/core/aerodynamics/barrowman/RailButtonCalc.java
+++ b/core/src/main/java/info/openrocket/core/aerodynamics/barrowman/RailButtonCalc.java
@@ -1,7 +1,6 @@
 package info.openrocket.core.aerodynamics.barrowman;
 
 import java.util.List;
-import java.lang.Math;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/core/src/main/java/info/openrocket/core/file/openrocket/importt/MotorHandler.java b/core/src/main/java/info/openrocket/core/file/openrocket/importt/MotorHandler.java
index 23a6f3fdb..26e68cb0f 100644
--- a/core/src/main/java/info/openrocket/core/file/openrocket/importt/MotorHandler.java
+++ b/core/src/main/java/info/openrocket/core/file/openrocket/importt/MotorHandler.java
@@ -1,7 +1,5 @@
 package info.openrocket.core.file.openrocket.importt;
 
-import java.lang.Double;
-
 import java.util.HashMap;
 import java.util.Locale;