diff --git a/.gitmodules b/.gitmodules
index cae05b54..aa7d19bc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,7 +2,6 @@
 	path = external/abseil-cpp
 	url = https://github.com/abseil/abseil-cpp
 	shallow = true
-
 [submodule "external/benchmark"]
 	path = external/benchmark
 	url = https://github.com/google/benchmark
@@ -11,7 +10,3 @@
 	path = external/readerwriterqueue
 	url = https://github.com/cameron314/readerwriterqueue.git
 	shallow = true
-[submodule "external/cnpy"]
-	path = external/cnpy
-	url = https://github.com/paulfd/cnpy.git
-	shallow = true
diff --git a/external/Catch2 b/external/Catch2
deleted file mode 160000
index dd1f0f1c..00000000
--- a/external/Catch2
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit dd1f0f1c7298cb51389cf5a2f8946aa0c8ca621c
diff --git a/external/cnpy b/external/cnpy
deleted file mode 160000
index 4e8810b1..00000000
--- a/external/cnpy
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4e8810b1a8637695171ed346ce68f6984e585ef4