diff --git a/langchain-examples/src/main/java/com/hw/langchain/examples/chains/RetrievalQaExample.java b/langchain-examples/src/main/java/com/hw/langchain/examples/chains/RetrievalQaExample.java
index 983add47b..395172658 100644
--- a/langchain-examples/src/main/java/com/hw/langchain/examples/chains/RetrievalQaExample.java
+++ b/langchain-examples/src/main/java/com/hw/langchain/examples/chains/RetrievalQaExample.java
@@ -21,7 +21,6 @@
 import com.hw.langchain.chains.retrieval.qa.base.RetrievalQA;
 import com.hw.langchain.document.loaders.text.TextLoader;
 import com.hw.langchain.embeddings.openai.OpenAIEmbeddings;
-import com.hw.langchain.examples.runner.RunnableExample;
 import com.hw.langchain.llms.openai.OpenAI;
 import com.hw.langchain.text.splitter.CharacterTextSplitter;
 import com.hw.langchain.vectorstores.pinecone.Pinecone;