diff --git a/bash-abbr b/bash-abbr
index e2647c0..599c3d7 100644
--- a/bash-abbr
+++ b/bash-abbr
@@ -26,9 +26,11 @@ _control_op () {
     printf %s "$_control_op"
     unset -f _control_op
 }
+# shellcheck disable=SC2155
 declare _control_op="$(_control_op)"
 
 _redir_or_assign_word () {
+    # shellcheck disable=SC2016
     declare -r _varredir_or_number='\{[[:alpha:]_][[:alnum:]_]*\}|[[:digit:]]*' \
                _redir_in_or_out='>|<' \
                _close_or_move_fd='&[[:digit:]]*-?' \
@@ -58,10 +60,12 @@ _redir_or_assign_word () {
     declare -r _word="($_part)+" \
                _close_redirection="($_varredir_or_number)($_redir_in_or_out)($_close_or_move_fd)" \
                _generic_redirection="($_redir_or_append_out_and_err|($_varredir_or_number)($_heredoc_herestring_in_out_etc))"
+    # shellcheck disable=SC1087
     declare -r _word_redirection_or_assignment="($_generic_redirection[[:space:]]*|$_identifier_equals)($_word)"
     printf %s "$_close_redirection|$_word_redirection_or_assignment"
     unset -f _redir_or_assign_word
 }
+# shellcheck disable=SC2155
 declare -r _redir_or_assign_word="$(_redir_or_assign_word)"
 
 declare -r is_first_word_prefix="($_control_op)[[:space:]]*((($_redir_or_assign_word)[[:space:]])*)"
@@ -125,6 +129,7 @@ _try_abbrev_internal () {
         # Strip special flags (or space) from the beginning of the replacement
         replacement=${replacement#[*$ -]}
 
+        # shellcheck disable=SC2015
         [[ ${replacement: -1} = "!" ]] && declare -r eval_expansion=true || declare -r eval_expansion=false
 
         [[ ${replacement: -1} = "$" ]] && replacement=$(eval "${replacement%$}")
@@ -149,6 +154,7 @@ _try_abbrev_internal () {
         # Update line.
         eval "$new_line"'=${line_until_point%"$word_at_point"}$replacement${self_insertion}${line:point}'
     else
+        # shellcheck disable=SC2034
         declare -ir offset=${#self_insertion}
 
         # Self-insert by default