diff --git a/lib/conductor/workflow/task_type.rb b/lib/conductor/workflow/task_type.rb
index 8df5505..d4ec07d 100644
--- a/lib/conductor/workflow/task_type.rb
+++ b/lib/conductor/workflow/task_type.rb
@@ -22,7 +22,6 @@ module TaskType
       USER_DEFINED = 'USER_DEFINED'
       HTTP = 'HTTP'
       HTTP_POLL = 'HTTP_POLL'
-      LAMBDA = 'LAMBDA'
       INLINE = 'INLINE'
       EXCLUSIVE_JOIN = 'EXCLUSIVE_JOIN'
       TERMINATE = 'TERMINATE'
@@ -49,7 +48,7 @@ module TaskType
       ALL_TYPES = [
         SIMPLE, DYNAMIC, FORK_JOIN, FORK_JOIN_DYNAMIC, DECISION, SWITCH, JOIN,
         DO_WHILE, SUB_WORKFLOW, START_WORKFLOW, EVENT, WAIT, WAIT_FOR_WEBHOOK,
-        HUMAN, USER_DEFINED, HTTP, HTTP_POLL, LAMBDA, INLINE, EXCLUSIVE_JOIN,
+        HUMAN, USER_DEFINED, HTTP, HTTP_POLL, INLINE, EXCLUSIVE_JOIN,
         TERMINATE, KAFKA_PUBLISH, JSON_JQ_TRANSFORM, SET_VARIABLE, GET_DOCUMENT,
         LLM_GENERATE_EMBEDDINGS, LLM_GET_EMBEDDINGS, LLM_TEXT_COMPLETE,
         LLM_CHAT_COMPLETE, LLM_INDEX_TEXT, LLM_SEARCH_INDEX, GENERATE_IMAGE,