diff --git a/deployments/ticdc/docker/Dockerfile b/deployments/ticdc/docker/Dockerfile
index b763fe50091..fff12a62dd3 100644
--- a/deployments/ticdc/docker/Dockerfile
+++ b/deployments/ticdc/docker/Dockerfile
@@ -6,7 +6,7 @@ ENV CDC_ENABLE_VENDOR=0
 RUN make cdc
 
 FROM alpine:3.15
-RUN apk add --no-cache tzdata bash curl socat
+RUN apk add --no-cache bash curl socat
 COPY --from=builder /go/src/github.com/pingcap/tiflow/bin/cdc /cdc
 EXPOSE 8300
 CMD [ "/cdc" ]
diff --git a/deployments/ticdc/docker/dev.Dockerfile b/deployments/ticdc/docker/dev.Dockerfile
index 6e6fdb6ae61..9fffad3a4d1 100644
--- a/deployments/ticdc/docker/dev.Dockerfile
+++ b/deployments/ticdc/docker/dev.Dockerfile
@@ -9,7 +9,7 @@ RUN make cdc
 RUN make failpoint-disable
 
 FROM alpine:3.15
-RUN apk add --no-cache tzdata bash curl socat
+RUN apk add --no-cache bash curl socat
 COPY --from=builder /go/src/github.com/pingcap/tiflow/bin/cdc /cdc
 EXPOSE 8300
 CMD [ "/cdc" ]