diff --git a/aliases/available/vim.aliases.bash b/aliases/available/vim.aliases.bash
index dbbe01fa..d19057d0 100644
--- a/aliases/available/vim.aliases.bash
+++ b/aliases/available/vim.aliases.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 cite 'about-alias'
 about-alias 'vim abbreviations'
 
diff --git a/completion/available/cargo.completion.bash b/completion/available/cargo.completion.bash
index 4911613d..d276ee72 100644
--- a/completion/available/cargo.completion.bash
+++ b/completion/available/cargo.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 # cargo (Rust package manager) completion
 
 if _binary_exists rustup && _binary_exists cargo; then
diff --git a/completion/available/knife.completion.bash b/completion/available/knife.completion.bash
index 7d9b9c2b..83b332f9 100644
--- a/completion/available/knife.completion.bash
+++ b/completion/available/knife.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 
 # Published originally as public domain code at https://github.com/wk8/knife-bash-autocomplete
 
diff --git a/completion/available/packer.completion.bash b/completion/available/packer.completion.bash
index f1b1031c..2301f0f2 100644
--- a/completion/available/packer.completion.bash
+++ b/completion/available/packer.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 cite "about-completion"
 about-completion "packer completion"
 
diff --git a/completion/available/pipx.completion.bash b/completion/available/pipx.completion.bash
index dfaa3e70..16fd844d 100644
--- a/completion/available/pipx.completion.bash
+++ b/completion/available/pipx.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 # pipx completion
 
 if _command_exists register-python-argcomplete && _command_exists pipx; then
diff --git a/completion/available/rustup.completion.bash b/completion/available/rustup.completion.bash
index da880db6..1cf8bc95 100644
--- a/completion/available/rustup.completion.bash
+++ b/completion/available/rustup.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 
 # rustup (Rust toolchain installer) completion
 
diff --git a/completion/available/vault.completion.bash b/completion/available/vault.completion.bash
index 50a54986..9520f166 100644
--- a/completion/available/vault.completion.bash
+++ b/completion/available/vault.completion.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 cite "about-completion"
 about-completion "vault completion"
 
diff --git a/hooks/dot-bash.sh b/hooks/dot-bash.sh
index facfeb06..7a9dc8bc 100755
--- a/hooks/dot-bash.sh
+++ b/hooks/dot-bash.sh
@@ -2,27 +2,17 @@
 
 exit_code=0
 for file in "$@"; do
-	# TODO Confirm file has '.bash' extension
-
-	# Confirm not executable
+	# Confirm file is not executable
 	#
 	if [[ -x "${file}" ]]; then
 		echo "Bash include file \`${file}\` should not be executable"
 		exit_code=1
 	fi
 
-	# Confirm expected #! header
-	#
-	LINE1="$(head -n 1 "${file}")"
-	if [[ "${LINE1}" != "#!/usr/bin/env echo run from bash: ." ]]; then
-		echo "Bash include file \`${file}\` has bad/missing #! header"
-		exit_code=1
-	fi
-
 	# Confirm expected schellcheck header
 	#
-	LINE2="$(head -n 2 "${file}" | tail -n 1)"
-	if [[ "${LINE2}" != "# shellcheck shell=bash disable=SC2148,SC2096" ]]; then
+	LINE1="$(head -n 1 "${file}")"
+	if [[ "${LINE1}" != "# shellcheck shell=bash" ]]; then
 		echo "Bash include file \`${file}\` has bad/missing shellcheck header"
 		exit_code=1
 	fi
diff --git a/hooks/dot-sh.sh b/hooks/dot-sh.sh
index 34ba8bdc..3fa63216 100755
--- a/hooks/dot-sh.sh
+++ b/hooks/dot-sh.sh
@@ -2,8 +2,6 @@
 
 exit_code=0
 for file in "$@"; do
-	# TODO Confirm file has '.sh' extension
-
 	# Confirm file is executable
 	#
 	if [[ ! -x "${file}" ]]; then
diff --git a/plugins/available/basher.plugin.bash b/plugins/available/basher.plugin.bash
index b3c00dc1..2c77cbfa 100644
--- a/plugins/available/basher.plugin.bash
+++ b/plugins/available/basher.plugin.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 cite about-plugin
 about-plugin 'initializes basher, the shell package manager'
 
diff --git a/themes/90210/90210.theme.bash b/themes/90210/90210.theme.bash
index fe3ea87e..180764c8 100644
--- a/themes/90210/90210.theme.bash
+++ b/themes/90210/90210.theme.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 SCM_THEME_PROMPT_DIRTY=" ${red}✗"
 SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓"
 SCM_THEME_PROMPT_PREFIX=" |"
diff --git a/themes/powerline/powerline.base.bash b/themes/powerline/powerline.base.bash
index 155082db..dd39337e 100644
--- a/themes/powerline/powerline.base.bash
+++ b/themes/powerline/powerline.base.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 # Define this here so it can be used by all of the Powerline themes
 THEME_CHECK_SUDO=${THEME_CHECK_SUDO:=true}
 
diff --git a/themes/powerline/powerline.theme.bash b/themes/powerline/powerline.theme.bash
index 1186178b..3239b360 100644
--- a/themes/powerline/powerline.theme.bash
+++ b/themes/powerline/powerline.theme.bash
@@ -1,5 +1,4 @@
-#!/usr/bin/env echo run from bash: .
-# shellcheck shell=bash disable=SC2148,SC2096
+# shellcheck shell=bash
 
 # shellcheck source=../../themes/powerline/powerline.base.bash
 . "$BASH_IT/themes/powerline/powerline.base.bash"