diff --git a/.gitmodules b/.gitmodules
index a6008cdc49..b9cfdcb91b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,9 +10,6 @@
 [submodule "cmake"]
 	path = cmake
 	url = https://github.com/zeek/cmake
-[submodule "src/3rdparty"]
-	path = src/3rdparty
-	url = https://github.com/zeek/zeek-3rdparty
 [submodule "auxil/broker"]
 	path = auxil/broker
 	url = https://github.com/zeek/broker
diff --git a/src/3rdparty b/src/3rdparty
deleted file mode 160000
index 9ec6ff9a93..0000000000
--- a/src/3rdparty
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9ec6ff9a931f6783107a8a01d6e3f8c28a14d311