diff --git a/R/bootstrap.R b/R/bootstrap.R
index 920d187023..087b863cb1 100644
--- a/R/bootstrap.R
+++ b/R/bootstrap.R
@@ -707,7 +707,6 @@ tabPanelBody <- function(value, ..., icon = NULL) {
 #'   conjunction with [tabPanelBody()] and [updateTabsetPanel()] to control the
 #'   active tab via other input controls. (See example below)}
 #' }
-#' @param card whether to wrap the navigation controls and content into an 'output card'. This functionality currently requires a [bslib::bs_theme()] in the page layout with `version = 4` or higher.
 #' @param position This argument is deprecated; it has been discontinued in
 #'   Bootstrap 3.
 #' @inheritParams navbarPage
@@ -762,7 +761,6 @@ tabsetPanel <- function(...,
                         type = c("tabs", "pills", "hidden"),
                         header = NULL,
                         footer = NULL,
-                        card = FALSE,
                         position = deprecated()) {
   if (lifecycle::is_present(position)) {
     shinyDeprecated(
@@ -777,34 +775,15 @@ tabsetPanel <- function(...,
   type <- match.arg(type)
   tabset <- buildTabset(..., ulClass = paste0("nav nav-", type), id = id, selected = selected)
 
-  nav <- tabset$navList
-  if (card) {
-    nav <- tags$div(
-      class = "card-header",
-      tagFunction(function() {
-        if (getCurrentVersion() >= 4) {
-          return(NULL)
-        }
-        stop(
-          "`tabsetPanel(card = TRUE)` requires Bootstrap 4 or higher. ",
-          "Please supply `bslib::bs_theme()` to the UI's page layout function ",
-          "(e.g., `fluidPage(theme = bslib::bs_theme())`).",
-          call. = FALSE
-        )
-      }),
-      tagAppendAttributes(
-        nav, class = paste0("card-header-", type)
-      )
-    )
-  }
-
-  tabs <- tags$div(class = "tabbable", class = if (card) "card", nav)
-  content <- dropNulls(list(header, tabset$content, footer))
-  if (card) {
-    tagAppendChild(tabs, tags$div(class = "card-body", !!!content))
-  } else {
-    tagAppendChildren(tabs, content)
-  }
+  tags$div(
+    class = "tabbable",
+    !!!dropNulls(list(
+      tabset$navList,
+      header,
+      tabset$content,
+      footer
+    ))
+  )
 }
 
 #' Create a navigation list panel
diff --git a/man/tabsetPanel.Rd b/man/tabsetPanel.Rd
index e503dbbb78..6836a5fa87 100644
--- a/man/tabsetPanel.Rd
+++ b/man/tabsetPanel.Rd
@@ -41,8 +41,6 @@ tabPanels.}
 \item{footer}{Tag or list of tags to display as a common footer below all
 tabPanels}
 
-\item{card}{whether to wrap the navigation controls and content into an 'output card'. This functionality currently requires a \code{\link[bslib:bs_theme]{bslib::bs_theme()}} in the page layout with \code{version = 4} or higher.}
-
 \item{position}{This argument is deprecated; it has been discontinued in
 Bootstrap 3.}
 }
diff --git a/tests/testthat/_snaps/tabPanel.md b/tests/testthat/_snaps/tabPanel.md
index e8687a2fd2..70f05f978b 100644
--- a/tests/testthat/_snaps/tabPanel.md
+++ b/tests/testthat/_snaps/tabPanel.md
@@ -138,43 +138,6 @@
         <div class="content-footer"></div>
       </div>
 
----
-
-    Code
-      bslib_tags(x)
-    Output
-      <div class="tabbable card">
-        <div class="card-header">
-          <ul class="nav nav-tabs card-header-tabs" data-tabsetid="4785">
-            <li class="nav-item">
-              <a class="nav-link active" data-toggle="tab" data-value="A" href="#tab-4785-1">A</a>
-            </li>
-            <li class="nav-item">
-              <a class="nav-link" href="#tab-4785-2" data-toggle="tab" data-value="B">
-                <i class=" fab fa-github fa-fw" role="presentation" aria-label=" icon"></i>
-                B
-              </a>
-            </li>
-            <li class="dropdown nav-item">
-              <a class="dropdown-toggle nav-link" data-toggle="dropdown" data-value="Menu" href="#">
-                Menu
-                <b class="caret"></b>
-              </a>
-              <ul class="dropdown-menu" data-tabsetid="1502">
-                <a class="dropdown-item" href="#tab-1502-1" data-toggle="tab" data-value="C">C</a>
-              </ul>
-            </li>
-          </ul>
-        </div>
-        <div class="card-body">
-          <div class="tab-content" data-tabsetid="4785">
-            <div class="tab-pane active" data-value="A" id="tab-4785-1">a</div>
-            <div class="tab-pane" data-value="B" data-icon-class="fab fa-github" id="tab-4785-2">b</div>
-            <div class="tab-pane" data-value="C" id="tab-1502-1">c</div>
-          </div>
-        </div>
-      </div>
-
 # navbarPage() markup is correct
 
     Code
diff --git a/tests/testthat/test-tabPanel.R b/tests/testthat/test-tabPanel.R
index 663d7ec932..efbde03a9f 100644
--- a/tests/testthat/test-tabPanel.R
+++ b/tests/testthat/test-tabPanel.R
@@ -54,8 +54,6 @@ test_that("tabsetPanel() markup is correct", {
   # BS4
   expect_snapshot_bslib(default)
   expect_snapshot_bslib(pills)
-  card <- tabset_panel(!!!panels, card = TRUE)
-  expect_snapshot_bslib(card)
 })
 
 test_that("navbarPage() markup is correct", {