diff --git a/.gitmodules b/.gitmodules
index c0add99..3f18495 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "quirc"]
 	path = quirc
 	url = https://gitea.ahur.ac/timoreo/quirc.git
-[submodule "olm"]
-	path = olm
-	url = https://gitea.ahur.ac/timoreo/olm.git
 [submodule "matrix-3ds-sdk"]
 	path = matrix-3ds-sdk
 	url = https://gitea.ahur.ac/timoreo/matrix-3ds-sdk.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 349a59e..be59f91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,6 @@ enable_language(ASM)
 add_compile_options(-O2 -Wall -Wextra -pedantic -Wno-unused-parameter)
 
 add_subdirectory(matrix-3ds-sdk)
-add_subdirectory(olm)
 add_executable(matrix-3ds-client src/main.cpp)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(jansson REQUIRED IMPORTED_TARGET jansson)
diff --git a/matrix-3ds-sdk b/matrix-3ds-sdk
index 8150c15..c671cd4 160000
--- a/matrix-3ds-sdk
+++ b/matrix-3ds-sdk
@@ -1 +1 @@
-Subproject commit 8150c15e8ca4f25ca87a9f2549abc2bf77450a29
+Subproject commit c671cd464c2ac29538572a4257b5d1fe91f4cd2d
diff --git a/olm b/olm
deleted file mode 160000
index cb3fe62..0000000
--- a/olm
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit cb3fe622ae742674436e361bdefe534d300ced47