diff --git a/DESCRIPTION b/DESCRIPTION
index 60e20c4..e539f5b 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -25,8 +25,7 @@ Imports:
     RcppParallel (>= 5.0.1),
     rlang,
     rstan (>= 2.18.1),
-    rstantools (>= 2.3.1.1),
-    deSolve
+    rstantools (>= 2.3.1.1)
 LinkingTo: 
     BH (>= 1.66.0),
     Rcpp (>= 0.12.0),
@@ -42,7 +41,8 @@ Suggests:
     withr,
     mnormt,
     here,
-    patchwork
+    patchwork,
+    deSolve
 VignetteBuilder: knitr
 Config/testthat/edition: 3
 LazyData: true
diff --git a/NAMESPACE b/NAMESPACE
index 8fcf332..73a94af 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -13,7 +13,6 @@ export(hmde_plot_de_pieces)
 export(hmde_run)
 export(hmde_vb_de)
 import(Rcpp)
-import(deSolve)
 import(dplyr)
 import(ggplot2)
 import(methods)
diff --git a/R/hmde-package.R b/R/hmde-package.R
index 27e8ca0..280f204 100644
--- a/R/hmde-package.R
+++ b/R/hmde-package.R
@@ -13,7 +13,6 @@
 #' @importFrom rstantools rstan_config
 #' @importFrom RcppParallel RcppParallelLibs
 #' @importFrom stats median
-#' @importFrom deSolve ode
 #'
 #' @references
 #' Stan Development Team (NA). RStan: the R interface to Stan. R package version 2.26.23. https://mc-stan.org
diff --git a/inst/extdata/tree_canham_fit.rds b/inst/extdata/tree_canham_fit.rds
deleted file mode 100644
index 51d622e..0000000
Binary files a/inst/extdata/tree_canham_fit.rds and /dev/null differ