diff --git a/build.sbt b/build.sbt
index 6ba73c6db1..0813eb2e8d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -149,6 +149,7 @@ val customScalacOptions = Seq(
   "-unchecked",
   "-deprecation",
   "-Yresolve-term-conflict:package",
+  "-Wconf:src=target/.*:s", // silence TWIRL templates unused imports warnings
   "-Wunused:imports",
   "-Wunused:privates",
   "-Wunused:locals",
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/gravsearch/getIncomingImageLinks.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/gravsearch/getIncomingImageLinks.scala.txt
index afc71703e9..e593473a43 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/gravsearch/getIncomingImageLinks.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/gravsearch/getIncomingImageLinks.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi._
-@import org.knora.webapi.messages.SmartIri
 
 @*
  * Constructs a Gravsearch query that returns all the knora-api:StillImageRepresentation resources
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/changeParentNode.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/changeParentNode.scala.txt
index 5313bb39d9..750c3e4d02 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/changeParentNode.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/changeParentNode.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 
 @**
  * Changes the parent node of an existing node.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/checkListNodeExistsByName.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/checkListNodeExistsByName.scala.txt
index 177e8e4a20..80eaa142ac 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/checkListNodeExistsByName.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/checkListNodeExistsByName.scala.txt
@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import org.knora.webapi.IRI
-
 @**
  * Checks if a list node exists.
  *
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deleteNode.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deleteNode.scala.txt
index faf9d967ef..38d924b20e 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deleteNode.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deleteNode.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 
 @**
  * Delete a node (root or child). If a child node is deleted, remove it from the list of its parent's sublist nodes.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deletePermission.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deletePermission.scala.txt
index a96e0c7492..cb8824258c 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deletePermission.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/deletePermission.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 
 @**
  * Delete an existing permission.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getFileValue.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getFileValue.scala.txt
index fa03be67d5..0b6e54b683 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getFileValue.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getFileValue.scala.txt
@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import org.knora.webapi.IRI
-
 @**
  * Given a knora:base:internalFilename, retrieves the file value and information
  * attached to it using SPARQL w/o inference.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getProjectOfEntity.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getProjectOfEntity.scala.txt
index ceff7d9147..8c7e1ca217 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getProjectOfEntity.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/getProjectOfEntity.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.util.KnoraSystemInstances
 
 @**
  * Gets the project an entity (resource or value) is attached to.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updateNodePosition.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updateNodePosition.scala.txt
index bc1348d98e..d7f8bc2679 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updateNodePosition.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updateNodePosition.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 
 @**
  * Updates an existing node's position.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updatePermission.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updatePermission.scala.txt
index 6c70656cbf..78ae7e42c2 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updatePermission.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/admin/updatePermission.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi.IRI
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 
 @**
  * Updates an existing permission's properties.
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/changePropertyGuiElement.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/changePropertyGuiElement.scala.txt
index 346a47ed43..a7d81b6e26 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/changePropertyGuiElement.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/changePropertyGuiElement.scala.txt
@@ -3,9 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import dsp.errors.SparqlGenerationException
 @import org.knora.webapi.messages.SmartIri
-@import org.knora.webapi.messages.store.triplestoremessages.StringLiteralV2
 @import java.time.Instant
 
 @*
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/createProperty.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/createProperty.scala.txt
index 3dcaf6e201..3a469e79dd 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/createProperty.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/createProperty.scala.txt
@@ -6,7 +6,6 @@
 @import org.knora.webapi._
 @import org.knora.webapi.messages.SmartIri
 @import org.knora.webapi.messages.v2.responder.ontologymessages._
-@import org.knora.webapi.messages.StringFormatter
 @import org.knora.webapi.messages.store.triplestoremessages._
 @import java.time.Instant
 
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteClass.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteClass.scala.txt
index 4a10309390..616b361879 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteClass.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteClass.scala.txt
@@ -5,7 +5,6 @@
 
 @import org.knora.webapi._
 @import org.knora.webapi.messages.SmartIri
-@import org.knora.webapi.messages.v2.responder.ontologymessages._
 @import java.time.Instant
 
 @*
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteProperty.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteProperty.scala.txt
index ca254a46d0..2e878c4223 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteProperty.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteProperty.scala.txt
@@ -5,7 +5,6 @@
 
 @import org.knora.webapi._
 @import org.knora.webapi.messages.SmartIri
-@import org.knora.webapi.messages.v2.responder.ontologymessages._
 @import java.time.Instant
 
 @*
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteValue.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteValue.scala.txt
index 7889a56d98..c784acb731 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteValue.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/deleteValue.scala.txt
@@ -4,8 +4,6 @@
  *@
 
 @import java.time.Instant
-@import java.util.UUID
-@import dsp.valueobjects.UuidUtil
 @import org.knora.webapi._
 @import dsp.errors.SparqlGenerationException
 @import org.knora.webapi.messages.SmartIri
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/eraseResource.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/eraseResource.scala.txt
index 0bfff17980..610ebe21e1 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/eraseResource.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/eraseResource.scala.txt
@@ -3,7 +3,6 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import java.time.Instant
 @import org.knora.webapi._
 
 @**
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllOntologyMetadata.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllOntologyMetadata.scala.txt
index 1a8cc1cfcb..7766b432d0 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllOntologyMetadata.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllOntologyMetadata.scala.txt
@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import org.knora.webapi.IRI
-
 @*
  * Gets the predicates and objects of an ontology IRI.
  *@
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllResourcesInProjectPrequery.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllResourcesInProjectPrequery.scala.txt
index 9decba4711..5651e35d4a 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllResourcesInProjectPrequery.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getAllResourcesInProjectPrequery.scala.txt
@@ -4,7 +4,6 @@
  *@
 
 @import org.knora.webapi._
-@import org.knora.webapi.messages.SmartIri
 
 @*
  * Constructs a prequery that gets all resources from the specified project
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getResourcePropertiesAndValues.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getResourcePropertiesAndValues.scala.txt
index 248fb09012..f60eb012f0 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getResourcePropertiesAndValues.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/getResourcePropertiesAndValues.scala.txt
@@ -7,7 +7,6 @@
 @import java.util.UUID
 @import dsp.valueobjects.UuidUtil
 @import org.knora.webapi.IRI
-@import dsp.errors.SparqlGenerationException
 @import org.knora.webapi.messages.SmartIri
 
 @*
diff --git a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/isEntityUsed.scala.txt b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/isEntityUsed.scala.txt
index 72de11a2cd..fae712a0a2 100644
--- a/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/isEntityUsed.scala.txt
+++ b/webapi/src/main/twirl/org/knora/webapi/messages/twirl/queries/sparql/v2/isEntityUsed.scala.txt
@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: Apache-2.0
  *@
 
-@import org.knora.webapi.messages.SmartIri
-
 @*
  * Checks whether an entity is used (i.e. is the object of any statements).
  *