diff --git a/.gitmodules b/.gitmodules
index 2840e8cf..c14bb9c5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -33,7 +33,3 @@
 [submodule "third_party/mbedtls"]
 	path = third_party/mbedtls
 	url = https://github.com/ARMmbed/mbedtls
-[submodule "json"]
-	path = json
-	url = https://github.com/nlohmann/json
-	branch = v3.10.5
diff --git a/json b/json
deleted file mode 160000
index 6af826d0..00000000
--- a/json
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6af826d0bdb55e4b69e3ad817576745335f243ca