diff --git a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Controller.kt b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Controller.kt
index e3c563a..a4149c5 100644
--- a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Controller.kt
+++ b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Controller.kt
@@ -2,7 +2,12 @@ package uk.co.neviyn.observationdatabase
 
 import org.joda.time.LocalDate
 import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.web.bind.annotation.*
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
 import javax.validation.Valid
 
 @RestController
diff --git a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Entity.kt b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Entity.kt
index 2ee48e4..eb67f84 100644
--- a/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Entity.kt
+++ b/backend/src/main/kotlin/uk/co/neviyn/observationdatabase/Entity.kt
@@ -3,7 +3,21 @@ package uk.co.neviyn.observationdatabase
 import com.fasterxml.jackson.annotation.JsonIgnore
 import com.fasterxml.jackson.annotation.JsonProperty
 import org.joda.time.LocalDate
-import javax.persistence.*
+import javax.persistence.Column
+import javax.persistence.ElementCollection
+import javax.persistence.Embeddable
+import javax.persistence.Entity
+import javax.persistence.FetchType
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.persistence.Index
+import javax.persistence.JoinColumn
+import javax.persistence.JoinTable
+import javax.persistence.ManyToMany
+import javax.persistence.ManyToOne
+import javax.persistence.OneToMany
+import javax.persistence.Table
 
 /**
  * Defines a location at which observations occur.