diff --git a/.gitmodules b/.gitmodules
index 6a76a293fb94..e69de29bb2d1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,11 +0,0 @@
-[submodule "third_party/googletest"]
-	path = third_party/googletest
-	url = https://github.com/google/googletest.git
-	ignore = dirty
-[submodule "third_party/abseil-cpp"]
-	path = third_party/abseil-cpp
-	url = https://github.com/abseil/abseil-cpp.git
-	branch = lts_2023_01_25
-[submodule "third_party/jsoncpp"]
-	path = third_party/jsoncpp
-	url = https://github.com/open-source-parsers/jsoncpp.git
diff --git a/third_party/abseil-cpp b/third_party/abseil-cpp
deleted file mode 160000
index c2435f8342c2..000000000000
--- a/third_party/abseil-cpp
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c2435f8342c2d0ed8101cb43adfd605fdc52dca2
diff --git a/third_party/googletest b/third_party/googletest
deleted file mode 160000
index 4c9a3bb62bf3..000000000000
--- a/third_party/googletest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4c9a3bb62bf3ba1f1010bf96f9c8ed767b363774
diff --git a/third_party/jsoncpp b/third_party/jsoncpp
deleted file mode 160000
index 9059f5cad030..000000000000
--- a/third_party/jsoncpp
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9059f5cad030ba11d37818847443a53918c327b1