diff --git a/vignettes/crunch.Rmd b/vignettes/crunch.Rmd
index b806ddadf..dab87e713 100644
--- a/vignettes/crunch.Rmd
+++ b/vignettes/crunch.Rmd
@@ -17,6 +17,8 @@ library(crunch)
 ```{r, results='hide', include = FALSE}
 set_crunch_opts("crunch.api" = "https://team.crunch.io/api/")
 library(httptest)
+run_cleanup <- !dir.exists("crunch")
+httpcache::clearCache()
 start_vignette("crunch")
 ```
 
@@ -273,8 +275,10 @@ This vignette has gone through some of the basics of working with crunch in R in
 
 ```{r, include=FALSE}
 end_vignette()
-with_consent(delete(ds))
-with_consent(delete(my_project))
+if (run_cleanup) {
+    with_consent(delete(ds))
+    with_consent(delete(my_project))
+}
 ```
 
 * [Variables](variables.html): cleaning and defining variable metadata
diff --git a/vignettes/fork-and-merge.Rmd b/vignettes/fork-and-merge.Rmd
index d32aae78d..36941cd47 100644
--- a/vignettes/fork-and-merge.Rmd
+++ b/vignettes/fork-and-merge.Rmd
@@ -21,6 +21,7 @@ set_crunch_opts("crunch.api" = "https://team.crunch.io/api/")
 library(httptest)
 run_cleanup <- !dir.exists("fork-and-merge")
 ds_to_delete <- c()
+httpcache::clearCache()
 start_vignette("fork-and-merge")
 
 
diff --git a/vignettes/subtotals.Rmd b/vignettes/subtotals.Rmd
index b0cac5311..408bc0e3e 100644
--- a/vignettes/subtotals.Rmd
+++ b/vignettes/subtotals.Rmd
@@ -19,7 +19,8 @@ set_crunch_opts("crunch.api" = "https://team.crunch.io/api/")
 options(width=120)
 library(httptest)
 
-if (!dir.exists("subtotals")) {
+remake_fixtures <- !dir.exists("subtotals")
+if (remake_fixtures) {
     if ("rcrunch subtotal vignette" %in% names(datasets(cd(projects(), "examples/rcrunch vignette data")))) {
         ds <- loadDataset("example vignette ds - subtotal", project = "examples/rcrunch vignette data")
         with_consent(delete(ds))
@@ -34,8 +35,9 @@ if (!dir.exists("subtotals")) {
     
     httpcache::clearCache()
 }
-run_cleanup <- !dir.exists("subtotals")
+httpcache::clearCache()
 start_vignette("subtotals")
+
 ds <- loadDataset("example vignette ds - subtotal", project = "examples/rcrunch vignette data")
 ```
 
@@ -192,7 +194,7 @@ cube
 
 ```{r, include=FALSE}
 end_vignette()
-if (run_cleanup) {
+if (remake_fixtures) {
     with_consent({
         delete(ds)
         delete(my_project)