diff --git a/open_source/commons-codec/commons-codec-1.11.jar b/open_source/commons-codec/commons-codec-1.11.jar
deleted file mode 100644
index 2245120..0000000
Binary files a/open_source/commons-codec/commons-codec-1.11.jar and /dev/null differ
diff --git a/open_source/commons-logging/commons-logging-1.2.jar b/open_source/commons-logging/commons-logging-1.2.jar
deleted file mode 100644
index 93a3b9f..0000000
Binary files a/open_source/commons-logging/commons-logging-1.2.jar and /dev/null differ
diff --git a/open_source/fastjson/fastjson-1.2.70.jar b/open_source/fastjson/fastjson-1.2.70.jar
deleted file mode 100644
index 95487d7..0000000
Binary files a/open_source/fastjson/fastjson-1.2.70.jar and /dev/null differ
diff --git a/open_source/httpclient/httpclient-4.5.13.jar b/open_source/httpclient/httpclient-4.5.13.jar
deleted file mode 100644
index 218ee25..0000000
Binary files a/open_source/httpclient/httpclient-4.5.13.jar and /dev/null differ
diff --git a/open_source/httpcore/httpcore-4.4.13.jar b/open_source/httpcore/httpcore-4.4.13.jar
deleted file mode 100644
index 163dc43..0000000
Binary files a/open_source/httpcore/httpcore-4.4.13.jar and /dev/null differ
diff --git a/open_source/jackson/jackson-annotations-2.11.2.jar b/open_source/jackson/jackson-annotations-2.11.2.jar
deleted file mode 100644
index 8a6f188..0000000
Binary files a/open_source/jackson/jackson-annotations-2.11.2.jar and /dev/null differ
diff --git a/open_source/jackson/jackson-core-2.11.2.jar b/open_source/jackson/jackson-core-2.11.2.jar
deleted file mode 100644
index b31deeb..0000000
Binary files a/open_source/jackson/jackson-core-2.11.2.jar and /dev/null differ
diff --git a/open_source/jackson/jackson-databind-2.11.2.jar b/open_source/jackson/jackson-databind-2.11.2.jar
deleted file mode 100644
index 92e080a..0000000
Binary files a/open_source/jackson/jackson-databind-2.11.2.jar and /dev/null differ
diff --git a/open_source/java-sdk-core/java-sdk-core-3.0.12.jar b/open_source/java-sdk-core/java-sdk-core-3.0.12.jar
deleted file mode 100644
index eb9916e..0000000
Binary files a/open_source/java-sdk-core/java-sdk-core-3.0.12.jar and /dev/null differ
diff --git a/open_source/joda-time/joda-time-2.10.6.jar b/open_source/joda-time/joda-time-2.10.6.jar
deleted file mode 100644
index 90b6e7b..0000000
Binary files a/open_source/joda-time/joda-time-2.10.6.jar and /dev/null differ
diff --git a/open_source/slf4j/slf4j-api-1.7.30.jar b/open_source/slf4j/slf4j-api-1.7.30.jar
deleted file mode 100644
index 29ac26f..0000000
Binary files a/open_source/slf4j/slf4j-api-1.7.30.jar and /dev/null differ