diff --git a/jq b/jq
index 0447e6049f..0dcf080052 100644
--- a/jq
+++ b/jq
@@ -30,11 +30,3 @@ PKG_LIBS="-L$BREWDIR/lib -ljq -lonig"
 # Cleanup
 echo "rm -Rf .deps" >> cleanup
 chmod +x cleanup
-
-# Disable purling on oldrel due to https://github.com/yihui/knitr/issues/2338
-if [ "${R_VERSION:0:3}" = "4.3" ]; then
-  for file in vignettes/*.Rmd; do
-    sed -i '' '/```/,$d' $file || true
-    touch inst/doc/*  || true
-  done
-fi
diff --git a/libgit2 b/libgit2
index 32ecdaf2b2..272962656c 100644
--- a/libgit2
+++ b/libgit2
@@ -32,10 +32,3 @@ done
 echo "rm -Rf .deps" >> cleanup
 chmod +x cleanup
 
-# Disable purling on oldrel due to https://github.com/yihui/knitr/issues/2338
-if [ "${R_VERSION:0:3}" = "4.3" ]; then
-  for file in vignettes/*.Rmd; do
-    sed -i '' '/```/,$d' $file || true
-    touch inst/doc/*  || true
-  done
-fi
diff --git a/mariadb-connector-c b/mariadb-connector-c
index 21105da76d..4df228a23a 100644
--- a/mariadb-connector-c
+++ b/mariadb-connector-c
@@ -33,11 +33,3 @@ PKG_LIBS="$PKG_LIBS $(krb5-config --libs)"
 # Cleanup
 echo "rm -Rf .deps" >> cleanup
 chmod +x cleanup
-
-# Disable purling on oldrel due to https://github.com/yihui/knitr/issues/2338
-if [ "${R_VERSION:0:3}" = "4.3" ]; then
-  for file in vignettes/*.Rmd; do
-    sed -i '' '/```/,$d' $file || true
-    touch inst/doc/*  || true
-  done
-fi
diff --git a/v8 b/v8
index 0e7984d26e..1c83f9ccc3 100644
--- a/v8
+++ b/v8
@@ -28,12 +28,4 @@ PKG_CFLAGS="-I$BREWDIR/include -DV8_COMPRESS_POINTERS -DV8_ENABLE_SANDBOX"
 # Skip pointer-compression and sandbox feature tests
 sed -e "s|@cflags@|$PKG_CFLAGS|" -e "s|@libs@|$PKG_LIBS|" -e "s|CXX11|CXX20|" src/Makevars.in > src/Makevars
 
-# Disable purling on oldrel due to https://github.com/yihui/knitr/issues/2338
-if [ "${R_VERSION:0:3}" = "4.3" ]; then
-  for file in vignettes/*.Rmd; do
-    sed -i '' '/```/,$d' $file || true
-    touch inst/doc/*  || true
-  done
-fi
-
 exit 0
\ No newline at end of file