diff --git a/lib/config.ps1 b/lib/config.ps1
index b2a69a65f4..175dcb31f9 100644
--- a/lib/config.ps1
+++ b/lib/config.ps1
@@ -9,7 +9,7 @@ function hashtable($obj) {
 }
 
 function hashtable_val($obj) {
-    if($obj -eq $null) { return $null }
+    if($null -eq $obj) { return $null }
     if($obj -is [array]) {
         $arr = @()
         $obj | foreach-object {
@@ -49,7 +49,7 @@ function set_config($name, $val) {
         $cfg.$name = $val
     }
 
-    if($val -eq $null) {
+    if($null -eq $val) {
         $cfg.remove($name)
     }
 
diff --git a/lib/core.ps1 b/lib/core.ps1
index d2dbec12f1..2c80e4e7ad 100644
--- a/lib/core.ps1
+++ b/lib/core.ps1
@@ -31,7 +31,7 @@ function versiondir($app, $version, $global) { "$(appdir $app $global)\$version"
 # apps
 function sanitary_path($path) { return [regex]::replace($path, "[/\\?:*<>|]", "") }
 function installed($app, $global=$null) {
-    if($global -eq $null) { return (installed $app $true) -or (installed $app $false) }
+    if($null -eq $global) { return (installed $app $true) -or (installed $app $false) }
     return test-path (appdir $app $global)
 }
 function installed_apps($global) {
@@ -68,7 +68,7 @@ function dl($url,$to) {
 function env { param($name,$value,$targetEnvironment)
     if ( $PSBoundParameters.ContainsKey('targetEnvironment') ) {
         # $targetEnvironment is expected to be $null, [bool], [string], or [System.EnvironmentVariableTarget]
-        if ($targetEnvironment -eq $null) { $targetEnvironment = [System.EnvironmentVariableTarget]::Process }
+        if ($null -eq $targetEnvironment) { $targetEnvironment = [System.EnvironmentVariableTarget]::Process }
         elseif ($targetEnvironment -is [bool]) {
             # from initial usage pattern
             if ($targetEnvironment) { $targetEnvironment = [System.EnvironmentVariableTarget]::Machine }
@@ -86,7 +86,7 @@ function env { param($name,$value,$targetEnvironment)
 
     if($PSBoundParameters.ContainsKey('value')) {
         [environment]::setEnvironmentVariable($name,$value,$targetEnvironment)
-        if (($targetEnvironment -eq [System.EnvironmentVariableTarget]::Process) -and ($CMDenvpipe -ne $null)) {
+        if (($targetEnvironment -eq [System.EnvironmentVariableTarget]::Process) -and ($null -ne $CMDenvpipe)) {
             "set " + ( CMD_SET_encode_arg("$name=$value") ) | out-file $CMDenvpipe -encoding OEM -append
         }
     }
diff --git a/lib/manifest.ps1 b/lib/manifest.ps1
index 7c348ebfe2..a26adbffdc 100644
--- a/lib/manifest.ps1
+++ b/lib/manifest.ps1
@@ -38,7 +38,7 @@ function installed_manifest($app, $version, $global) {
 }
 
 function save_install_info($info, $dir) {
-    $nulls = $info.keys | where-object { $info[$_] -eq $null }
+    $nulls = $info.keys | where-object { $null -eq $info[$_] }
     $nulls | foreach-object { $info.remove($_) } # strip null-valued
 
     $info | convertto-json | out-file "$dir\install.json"
diff --git a/lib/versions.ps1 b/lib/versions.ps1
index a93c968baf..a18418d053 100644
--- a/lib/versions.ps1
+++ b/lib/versions.ps1
@@ -38,7 +38,7 @@ function compare_versions($a, $b) {
 }
 
 function qsort($ary, $fn) {
-    if($ary -eq $null) { return @() }
+    if($null -eq $ary) { return @() }
     if(!($ary -is [array])) { return @($ary) }
 
     $pivot = $ary[0]
diff --git a/test/Scoop-TestLib.ps1 b/test/Scoop-TestLib.ps1
index 95e78fbc64..c52b932f4c 100644
--- a/test/Scoop-TestLib.ps1
+++ b/test/Scoop-TestLib.ps1
@@ -59,7 +59,7 @@ function script_fail($msg) {
 }
 
 function script_fmt($var) {
-    if($var -eq $null) { return "`$null" }
+    if($null -eq $var) { return "`$null" }
     if($var -is [string]) { return "'$var'" }
     return $var
 }