diff --git a/docs/src/handle.rst b/docs/src/handle.rst
index e91d6e8f..0d251fc3 100644
--- a/docs/src/handle.rst
+++ b/docs/src/handle.rst
@@ -248,7 +248,7 @@ just for some handle types.
 
     .. versionadded:: 1.19.0
 
-.. c:function:: void* uv_handle_set_data(uv_handle_t* handle, void* data)
+.. c:function:: void uv_handle_set_data(uv_handle_t* handle, void* data)
 
     Sets `handle->data` to `data`.
 
diff --git a/docs/src/loop.rst b/docs/src/loop.rst
index c5ec1d7a..d1f41e1c 100644
--- a/docs/src/loop.rst
+++ b/docs/src/loop.rst
@@ -256,7 +256,7 @@ API
 
     .. versionadded:: 1.19.0
 
-.. c:function:: void* uv_loop_set_data(uv_loop_t* loop, void* data)
+.. c:function:: void uv_loop_set_data(uv_loop_t* loop, void* data)
 
     Sets `loop->data` to `data`.
 
diff --git a/docs/src/request.rst b/docs/src/request.rst
index a5b9c7f4..7ac2aaa0 100644
--- a/docs/src/request.rst
+++ b/docs/src/request.rst
@@ -99,7 +99,7 @@ API
 
     .. versionadded:: 1.19.0
 
-.. c:function:: void* uv_req_set_data(uv_req_t* req, void* data)
+.. c:function:: void uv_req_set_data(uv_req_t* req, void* data)
 
     Sets `req->data` to `data`.