diff --git a/shell/completion.bash b/shell/completion.bash
index c489c5a0..48a34c9b 100644
--- a/shell/completion.bash
+++ b/shell/completion.bash
@@ -513,10 +513,6 @@ if ! declare -F __fzf_list_hosts > /dev/null; then
       ) \
       <(
         __fzf_exec_awk '
-          # Note: mawk <= 1.3.3-20090705 does not support the POSIX brackets of
-          # the form [[:blank:]], and Ubuntu 18.04 LTS still uses this
-          # 16-year-old mawk unfortunately.  We need to use [ \t] instead.
-          /^[ \t]*(#|$)/ { next }
           {
             sub(/#.*/, "")
             for (i = 2; i <= NF; i++)
diff --git a/shell/completion.zsh b/shell/completion.zsh
index e0227007..950fa674 100644
--- a/shell/completion.zsh
+++ b/shell/completion.zsh
@@ -291,10 +291,6 @@ if ! declare -f __fzf_list_hosts > /dev/null; then
       ) \
       <(
         __fzf_exec_awk '
-          # Note: mawk <= 1.3.3-20090705 does not support the POSIX brackets of
-          # the form [[:blank:]], and Ubuntu 18.04 LTS still uses this
-          # 16-year-old mawk unfortunately.  We need to use [ \t] instead.
-          /^[ \t]*(#|$)/ { next }
           {
             sub(/#.*/, "")
             for (i = 2; i <= NF; i++)