diff --git a/hawkbit-ddi/hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java b/hawkbit-ddi/hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java
index bf8bce636..2b2735861 100644
--- a/hawkbit-ddi/hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java
+++ b/hawkbit-ddi/hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java
@@ -19,9 +19,6 @@ import java.util.Optional;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
-import jakarta.validation.Valid;
-import jakarta.validation.constraints.NotEmpty;
-import jakarta.validation.constraints.NotNull;
 
 import lombok.extern.slf4j.Slf4j;
 import org.eclipse.hawkbit.artifact.repository.model.DbArtifact;
@@ -84,9 +81,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.server.ServletServerHttpRequest;
 import org.springframework.util.CollectionUtils;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.WebApplicationContext;
 
@@ -211,10 +205,10 @@ public class DdiRootController implements DdiRootControllerRestApi {
     @SuppressWarnings("squid:S3655")
     @Override
     public ResponseEntity<Void> downloadArtifactMd5(
-            @PathVariable("tenant") final String tenant,
-            @PathVariable("controllerId") final String controllerId,
-            @PathVariable("softwareModuleId") final Long softwareModuleId,
-            @PathVariable("fileName") final String fileName) {
+            final String tenant,
+            final String controllerId,
+            final Long softwareModuleId,
+            final String fileName) {
         final Target target = findTarget(controllerId);
 
         final SoftwareModule module = controllerManagement.getSoftwareModule(softwareModuleId)
diff --git a/hawkbit-mgmt/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtDistributionSetTagRestApi.java b/hawkbit-mgmt/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtDistributionSetTagRestApi.java
index 16c9d31ea..b2312c572 100644
--- a/hawkbit-mgmt/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtDistributionSetTagRestApi.java
+++ b/hawkbit-mgmt/hawkbit-mgmt-api/src/main/java/org/eclipse/hawkbit/mgmt/rest/api/MgmtDistributionSetTagRestApi.java
@@ -167,7 +167,7 @@ public interface MgmtDistributionSetTagRestApi {
     @PostMapping(value = MgmtRestConstants.DISTRIBUTIONSET_TAG_V1_REQUEST_MAPPING,
             consumes = { MediaTypes.HAL_JSON_VALUE, MediaType.APPLICATION_JSON_VALUE },
             produces = { MediaTypes.HAL_JSON_VALUE, MediaType.APPLICATION_JSON_VALUE })
-    ResponseEntity<List<MgmtTag>> createDistributionSetTags(List<MgmtTagRequestBodyPut> tags);
+    ResponseEntity<List<MgmtTag>> createDistributionSetTags(@RequestBody List<MgmtTagRequestBodyPut> tags);
 
     /**
      * Handles the PUT request of updating a single distribution set tag.
@@ -209,7 +209,7 @@ public interface MgmtDistributionSetTagRestApi {
             produces = { MediaTypes.HAL_JSON_VALUE, MediaType.APPLICATION_JSON_VALUE })
     ResponseEntity<MgmtTag> updateDistributionSetTag(
             @PathVariable("distributionsetTagId") Long distributionsetTagId,
-            MgmtTagRequestBodyPut restDSTagRest);
+            @RequestBody MgmtTagRequestBodyPut restDSTagRest);
 
     /**
      * Handles the DELETE request for a single distribution set tag.
@@ -427,7 +427,7 @@ public interface MgmtDistributionSetTagRestApi {
      * Handles the DELETE request to unassign one distribution set from the given tag id.
      *
      * @param distributionsetTagId the ID of the distribution set tag
-     * @param distributionsetId the ID of the distribution set to unassign
+     * @param distributionsetIds the IDs of the distribution set to unassign
      * @return http status code
      */
     @Operation(summary = "Unassign multiple distribution sets from the given tag id",
@@ -456,7 +456,7 @@ public interface MgmtDistributionSetTagRestApi {
             MgmtRestConstants.DISTRIBUTIONSET_TAG_DISTRIBUTIONSETS_REQUEST_MAPPING)
     ResponseEntity<Void> unassignDistributionSets(
             @PathVariable("distributionsetTagId") Long distributionsetTagId,
-            @RequestBody List<Long> distributionsetId);
+            @RequestBody List<Long> distributionsetIds);
 
     /**
      * Handles the POST request to toggle the assignment of distribution sets by
@@ -499,7 +499,7 @@ public interface MgmtDistributionSetTagRestApi {
     @Deprecated(forRemoval = true, since = "0.6.0")
     ResponseEntity<MgmtDistributionSetTagAssigmentResult> toggleTagAssignment(
             @PathVariable("distributionsetTagId") Long distributionsetTagId,
-            List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies);
+            @RequestBody List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies);
 
     /**
      * Handles the POST request to assign distribution sets to the given tag id.
@@ -542,5 +542,5 @@ public interface MgmtDistributionSetTagRestApi {
     @Deprecated(forRemoval = true, since = "0.6.0")
     ResponseEntity<List<MgmtDistributionSet>> assignDistributionSetsByRequestBody(
             @PathVariable("distributionsetTagId") Long distributionsetTagId,
-            List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies);
+            @RequestBody List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies);
 }
\ No newline at end of file
diff --git a/hawkbit-mgmt/hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetTagResource.java b/hawkbit-mgmt/hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetTagResource.java
index 1e98f20fb..99f51d114 100644
--- a/hawkbit-mgmt/hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetTagResource.java
+++ b/hawkbit-mgmt/hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/MgmtDistributionSetTagResource.java
@@ -20,7 +20,6 @@ import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtDistributionSetTagAssigmentRe
 import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtTag;
 import org.eclipse.hawkbit.mgmt.json.model.tag.MgmtTagRequestBodyPut;
 import org.eclipse.hawkbit.mgmt.rest.api.MgmtDistributionSetTagRestApi;
-import org.eclipse.hawkbit.mgmt.rest.api.MgmtRestConstants;
 import org.eclipse.hawkbit.mgmt.rest.resource.util.PagingUtility;
 import org.eclipse.hawkbit.repository.DistributionSetManagement;
 import org.eclipse.hawkbit.repository.DistributionSetTagManagement;
@@ -36,9 +35,6 @@ import org.springframework.data.domain.Slice;
 import org.springframework.data.domain.Sort;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
@@ -62,10 +58,10 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<PagedList<MgmtTag>> getDistributionSetTags(
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_PAGING_OFFSET, defaultValue = MgmtRestConstants.REQUEST_PARAMETER_PAGING_DEFAULT_OFFSET) final int pagingOffsetParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_PAGING_LIMIT, defaultValue = MgmtRestConstants.REQUEST_PARAMETER_PAGING_DEFAULT_LIMIT) final int pagingLimitParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_SORTING, required = false) final String sortParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_SEARCH, required = false) final String rsqlParam) {
+            final int pagingOffsetParam,
+            final int pagingLimitParam,
+            final String sortParam,
+            final String rsqlParam) {
         final int sanitizedOffsetParam = PagingUtility.sanitizeOffsetParam(pagingOffsetParam);
         final int sanitizedLimitParam = PagingUtility.sanitizePageLimitParam(pagingLimitParam);
         final Sort sorting = PagingUtility.sanitizeTagSortParam(sortParam);
@@ -88,7 +84,7 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<MgmtTag> getDistributionSetTag(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId) {
+            final Long distributionsetTagId) {
         final DistributionSetTag distributionSetTag = findDistributionTagById(distributionsetTagId);
 
         final MgmtTag response = MgmtTagMapper.toResponse(distributionSetTag);
@@ -99,7 +95,7 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<List<MgmtTag>> createDistributionSetTags(
-            @RequestBody final List<MgmtTagRequestBodyPut> tags) {
+            final List<MgmtTagRequestBodyPut> tags) {
         log.debug("creating {} ds tags", tags.size());
 
         final List<DistributionSetTag> createdTags = distributionSetTagManagement.create(MgmtTagMapper.mapTagFromRequest(entityFactory, tags));
@@ -109,8 +105,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<MgmtTag> updateDistributionSetTag(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @RequestBody final MgmtTagRequestBodyPut restDSTagRest) {
+            final Long distributionsetTagId,
+            final MgmtTagRequestBodyPut restDSTagRest) {
 
         final DistributionSetTag distributionSetTag = distributionSetTagManagement
                 .update(entityFactory.tag().update(distributionsetTagId).name(restDSTagRest.getName())
@@ -124,7 +120,7 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<Void> deleteDistributionSetTag(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId) {
+            final Long distributionsetTagId) {
         log.debug("Delete {} distribution set tag", distributionsetTagId);
         final DistributionSetTag tag = findDistributionTagById(distributionsetTagId);
 
@@ -135,11 +131,11 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<PagedList<MgmtDistributionSet>> getAssignedDistributionSets(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_PAGING_OFFSET, defaultValue = MgmtRestConstants.REQUEST_PARAMETER_PAGING_DEFAULT_OFFSET) final int pagingOffsetParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_PAGING_LIMIT, defaultValue = MgmtRestConstants.REQUEST_PARAMETER_PAGING_DEFAULT_LIMIT) final int pagingLimitParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_SORTING, required = false) final String sortParam,
-            @RequestParam(value = MgmtRestConstants.REQUEST_PARAMETER_SEARCH, required = false) final String rsqlParam) {
+            final Long distributionsetTagId,
+            final int pagingOffsetParam,
+            final int pagingLimitParam,
+            final String sortParam,
+            final String rsqlParam) {
         final int sanitizedOffsetParam = PagingUtility.sanitizeOffsetParam(pagingOffsetParam);
         final int sanitizedLimitParam = PagingUtility.sanitizePageLimitParam(pagingLimitParam);
         final Sort sorting = PagingUtility.sanitizeTagSortParam(sortParam);
@@ -158,8 +154,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<Void> assignDistributionSet(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @PathVariable("distributionsetId") final Long distributionsetId) {
+            final Long distributionsetTagId,
+            final Long distributionsetId) {
         log.debug("Assign ds {} for ds tag {}", distributionsetId, distributionsetTagId);
         this.distributionSetManagement.assignTag(List.of(distributionsetId), distributionsetTagId);
         return ResponseEntity.ok().build();
@@ -175,8 +171,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<Void> unassignDistributionSet(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @PathVariable("distributionsetId") final Long distributionsetId) {
+            final Long distributionsetTagId,
+            final Long distributionsetId) {
         log.debug("Unassign ds {} for ds tag {}", distributionsetId, distributionsetTagId);
         this.distributionSetManagement.unassignTag(List.of(distributionsetId), distributionsetTagId);
         return ResponseEntity.ok().build();
@@ -184,8 +180,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<Void> unassignDistributionSets(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @RequestBody final List<Long> distributionsetIds) {
+            final Long distributionsetTagId,
+            final List<Long> distributionsetIds) {
         log.debug("Unassign DistributionSet {} for ds tag {}", distributionsetIds.size(), distributionsetTagId);
         final List<DistributionSet> assignedDs = this.distributionSetManagement.unassignTag(distributionsetIds, distributionsetTagId);
         log.debug("Unassigned DistributionSet {}", assignedDs.size());
@@ -194,8 +190,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<MgmtDistributionSetTagAssigmentResult> toggleTagAssignment(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @RequestBody final List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies) {
+            final Long distributionsetTagId,
+            final List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies) {
         log.debug("Toggle distribution set assignment {} for ds tag {}", assignedDSRequestBodies.size(), distributionsetTagId);
 
         final DistributionSetTag tag = findDistributionTagById(distributionsetTagId);
@@ -216,8 +212,8 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
 
     @Override
     public ResponseEntity<List<MgmtDistributionSet>> assignDistributionSetsByRequestBody(
-            @PathVariable("distributionsetTagId") final Long distributionsetTagId,
-            @RequestBody final List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies) {
+            final Long distributionsetTagId,
+            final List<MgmtAssignedDistributionSetRequestBody> assignedDSRequestBodies) {
         log.debug("Assign DistributionSet {} for ds tag {}", assignedDSRequestBodies.size(), distributionsetTagId);
         final List<DistributionSet> assignedDs = this.distributionSetManagement
                 .assignTag(findDistributionSetIds(assignedDSRequestBodies), distributionsetTagId);
@@ -235,4 +231,4 @@ public class MgmtDistributionSetTagResource implements MgmtDistributionSetTagRes
         return distributionSetTagManagement.get(distributionsetTagId)
                 .orElseThrow(() -> new EntityNotFoundException(DistributionSetTag.class, distributionsetTagId));
     }
-}
+}
\ No newline at end of file