diff --git a/crc/api.yml b/crc/api.yml
index 5311e14a..1cee4439 100644
--- a/crc/api.yml
+++ b/crc/api.yml
@@ -240,18 +240,18 @@ paths:
               schema:
                 $ref: "#/components/schemas/Error"
   /workflow-specification/{spec_id}:
+    parameters:
+      - name: spec_id
+        in: path
+        required: false
+        description: The unique id of an existing workflow specification to modify.
+        schema:
+          type: string
     put:
       operationId: crc.api.workflow.update_workflow_specification
       summary: Modifies an existing workflow specification with the given parameters.
       tags:
         - Workflows and Tasks
-      parameters:
-        - name: spec_id
-          in: path
-          required: false
-          description: The unique id of an existing workflow specification to modify.
-          schema:
-            type: string
       requestBody:
         content:
           application/json:
@@ -270,6 +270,14 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/Error"
+    delete:
+      operationId: crc.api.workflow.delete_workflow_specification
+      summary: Removes an existing workflow specification
+      tags:
+        - Workflows and Tasks
+      responses:
+        '204':
+          description: The workflow specification has been removed.
   /file:
     parameters:
       - name: spec_id
diff --git a/crc/api/workflow.py b/crc/api/workflow.py
index b2e0bd4a..0e5ad309 100644
--- a/crc/api/workflow.py
+++ b/crc/api/workflow.py
@@ -21,13 +21,13 @@ def add_workflow_specification(body):
 
 def update_workflow_specification(spec_id, body):
     if spec_id is None:
-        error = ApiError('unknown_study', 'Please provide a valid Workflow Specification ID.')
+        error = ApiError('unknown_spec', 'Please provide a valid Workflow Specification ID.')
         return ApiErrorSchema.dump(error), 404
 
     spec: WorkflowSpecModel = session.query(WorkflowSpecModel).filter_by(id=spec_id).first()
 
     if spec is None:
-        error = ApiError('unknown_study', 'The Workflow Specification "' + spec_id + '" is not recognized.')
+        error = ApiError('unknown_spec', 'The Workflow Specification "' + spec_id + '" is not recognized.')
         return ApiErrorSchema.dump(error), 404
 
     spec = WorkflowSpecModelSchema().load(body, session=session)
@@ -36,6 +36,23 @@ def update_workflow_specification(spec_id, body):
     return WorkflowSpecModelSchema().dump(spec)
 
 
+def delete_workflow_specification(spec_id):
+    if spec_id is None:
+        error = ApiError('unknown_spec', 'Please provide a valid Workflow Specification ID.')
+        return ApiErrorSchema.dump(error), 404
+
+    spec: WorkflowSpecModel = session.query(WorkflowSpecModel).filter_by(id=spec_id).first()
+
+    if spec is None:
+        error = ApiError('unknown_spec', 'The Workflow Specification "' + spec_id + '" is not recognized.')
+        return ApiErrorSchema.dump(error), 404
+
+    session.query(WorkflowSpecModel).filter_by(id=spec_id).delete()
+
+    # TODO: Delete everything else with the same workflow_spec_id?
+    session.commit()
+
+
 def get_workflow(workflow_id):
     schema = WorkflowModelSchema()
     workflow = session.query(WorkflowModel).filter_by(id=workflow_id).first()