diff --git a/path/to/src/crewai/knowledge/source/base_knowledge_source.py b/path/to/src/crewai/knowledge/source/base_knowledge_source.py
deleted file mode 100644
index bd83a13f2..000000000
--- a/path/to/src/crewai/knowledge/source/base_knowledge_source.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from abc import ABC, abstractmethod
-from typing import List
-
-
-class BaseKnowledgeSource(ABC):
-    """Abstract base class for different types of knowledge sources."""
-
-    def __init__(
-        self,
-        chunk_size: int = 1000,
-        chunk_overlap: int = 200,
-    ):
-        self.chunk_size = chunk_size
-        self.chunk_overlap = chunk_overlap
-        self.chunks: List[str] = []
-
-    @abstractmethod
-    def load_content(self):
-        """Load and preprocess content from the source."""
-        pass
-
-    @abstractmethod
-    def add(self) -> None:
-        """Add content to the knowledge base, chunk it, and compute embeddings."""
-        pass
-
-    @abstractmethod
-    def query(self, query: str, top_k: int = 3) -> str:
-        """Query the knowledge base using semantic search."""
-        pass
diff --git a/src/crewai/agent.py b/src/crewai/agent.py
index 383b731bc..d17cbbdfe 100644
--- a/src/crewai/agent.py
+++ b/src/crewai/agent.py
@@ -1,7 +1,7 @@
 import os
 import shutil
 import subprocess
-from typing import Any, List, Literal, Optional, Union, Dict
+from typing import Any, List, Literal, Optional, Union
 
 from pydantic import Field, InstanceOf, PrivateAttr, model_validator
 
@@ -9,7 +9,6 @@ from crewai.agents import CacheHandler
 from crewai.agents.agent_builder.base_agent import BaseAgent
 from crewai.agents.crew_agent_executor import CrewAgentExecutor
 from crewai.cli.constants import ENV_VARS
-from crewai.knowledge.knowledge import Knowledge
 from crewai.llm import LLM
 from crewai.memory.contextual.contextual_memory import ContextualMemory
 from crewai.tools import BaseTool
diff --git a/src/crewai/crew.py b/src/crewai/crew.py
index 0c0e4f179..f7357e844 100644
--- a/src/crewai/crew.py
+++ b/src/crewai/crew.py
@@ -28,7 +28,6 @@ from crewai.memory.entity.entity_memory import EntityMemory
 from crewai.memory.long_term.long_term_memory import LongTermMemory
 from crewai.memory.short_term.short_term_memory import ShortTermMemory
 from crewai.knowledge.knowledge import Knowledge
-from crewai.knowledge.source.base_knowledge_source import BaseKnowledgeSource
 from crewai.memory.user.user_memory import UserMemory
 from crewai.process import Process
 from crewai.task import Task
@@ -276,7 +275,10 @@ class Crew(BaseModel):
     @model_validator(mode="after")
     def create_crew_knowledge(self) -> "Crew":
         if self.knowledge:
-            self.knowledge = Knowledge(**self.knowledge)
+            try:
+                self.knowledge = Knowledge(**self.knowledge) if isinstance(self.knowledge, dict) else self.knowledge
+            except (TypeError, ValueError) as e:
+                raise ValueError(f"Invalid knowledge configuration: {str(e)}")
         return self
 
     @model_validator(mode="after")
diff --git a/src/crewai/knowledge/storage/knowledge_storage.py b/src/crewai/knowledge/storage/knowledge_storage.py
index a998b616e..b3d5ba750 100644
--- a/src/crewai/knowledge/storage/knowledge_storage.py
+++ b/src/crewai/knowledge/storage/knowledge_storage.py
@@ -1,4 +1,3 @@
-import uuid
 import contextlib
 import io
 import logging