diff --git a/poetry.lock b/poetry.lock
index 3842391..b4ea77e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -676,18 +676,6 @@ category = "main"
 optional = false
 python-versions = "*"
 
-[[package]]
-name = "reboundx"
-version = "3.1.0"
-description = "A library for including additional forces in REBOUND"
-category = "main"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-numpy = "*"
-rebound = ">=3.10.0"
-
 [[package]]
 name = "scipy"
 version = "1.5.4"
@@ -811,7 +799,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "81da677fe5ef38326d832834dbef45523423a29f3df78e3f2d790b16abdf426b"
+content-hash = "b9f079fdbaf3934029290ed3f17980ada3ef3365f021e82d27f10a802c95e6b5"
 
 [metadata.files]
 appnope = [
@@ -1294,9 +1282,6 @@ pyzmq = [
 rebound = [
     {file = "rebound-3.13.0.tar.gz", hash = "sha256:6223d9bcbbbbaf3f68ae345cde77f86d3fcd1b8b3d4e4d9475c7a766de5dbd13"},
 ]
-reboundx = [
-    {file = "reboundx-3.1.0.tar.gz", hash = "sha256:7a8aad6a950df4bfe3fbd5a8b0a758fc444c263ab446ff9a154b71d727b745c2"},
-]
 scipy = [
     {file = "scipy-1.5.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:4f12d13ffbc16e988fa40809cbbd7a8b45bc05ff6ea0ba8e3e41f6f4db3a9e47"},
     {file = "scipy-1.5.4-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:a254b98dbcc744c723a838c03b74a8a34c0558c9ac5c86d5561703362231107d"},
diff --git a/pyproject.toml b/pyproject.toml
index d0f704c..0d9e122 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,6 @@ rebound = "^3.12.1"
 matplotlib = "^3.2.1"
 pyqt5 = "^5.14.1"
 ipywidgets = "^7.5.1"
-reboundx = "^3.0.4"
 scipy = "^1.4.1"
 graphviz = "^0.16"
 py-spy = "^0.3.3"