diff --git a/completion/available/system.completion.bash b/completion/available/system.completion.bash
index af7ea70d..bb1d14eb 100644
--- a/completion/available/system.completion.bash
+++ b/completion/available/system.completion.bash
@@ -14,31 +14,24 @@ else
 	__bash_it_restore_nounset=false
 fi
 
+# shellcheck disable=SC1090 disable=SC1091
 if [[ -r "${BASH_COMPLETION:-}" ]]; then
-	# shellcheck disable=SC1090
 	source "${BASH_COMPLETION}"
-
 elif [[ -r /etc/bash_completion ]]; then
-	# shellcheck disable=SC1091
 	source /etc/bash_completion
-
 # Some distribution makes use of a profile.d script to import completion.
 elif [[ -r /etc/profile.d/bash_completion.sh ]]; then
-	# shellcheck disable=SC1091
 	source /etc/profile.d/bash_completion.sh
-
 elif _bash_it_homebrew_check; then
-	: "${BASH_COMPLETION_COMPAT_DIR:=$BASH_IT_HOMEBREW_PREFIX/etc/bash_completion.d}"
-
+	: "${BASH_COMPLETION_COMPAT_DIR:=${BASH_IT_HOMEBREW_PREFIX}/etc/bash_completion.d}"
 	case "${BASH_VERSION}" in
 		1* | 2* | 3.0* | 3.1*)
 			_log_warning "Cannot load completion due to version of shell. Are you using Bash 3.2+?"
 			;;
 		3.2* | 4.0* | 4.1*)
 			# Import version 1.x of bash-completion, if installed.
-			BASH_COMPLETION="$BASH_IT_HOMEBREW_PREFIX/opt/bash-completion@1/etc/bash_completion"
+			BASH_COMPLETION="${BASH_IT_HOMEBREW_PREFIX}/opt/bash-completion@1/etc/bash_completion"
 			if [[ -r "$BASH_COMPLETION" ]]; then
-				# shellcheck disable=SC1090
 				source "$BASH_COMPLETION"
 			else
 				unset BASH_COMPLETION
@@ -46,9 +39,8 @@ elif _bash_it_homebrew_check; then
 			;;
 		4.2* | 5* | *)
 			# homebrew/versions/bash-completion2 (required for projects.completion.bash) is installed to this path
-			if [[ -r "${BASH_IT_HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh" ]]; then
-				# shellcheck disable=SC1091
-				source "${BASH_IT_HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh"
+			if [[ -r "${BASH_IT_HOMEBREW_PREFIX}/opt/bash-completion@2/etc/profile.d/bash_completion.sh" ]]; then
+				source "${BASH_IT_HOMEBREW_PREFIX}/opt/bash-completion@2/etc/profile.d/bash_completion.sh"
 			fi
 			;;
 	esac