diff --git a/src/Microsoft.Management.Infrastructure.Native/project.json b/src/Microsoft.Management.Infrastructure.Native/project.json
index 74588a1a9a..89d1ba364c 100644
--- a/src/Microsoft.Management.Infrastructure.Native/project.json
+++ b/src/Microsoft.Management.Infrastructure.Native/project.json
@@ -7,6 +7,9 @@
     "frameworks": {
         "netstandard1.5": {
             "imports": [ "dnxcore50" ],
+            "compilationOptions": {
+                "warningsAsErrors": true
+            },
             "dependencies": {
                 "NETStandard.Library": "1.0.0-rc3-23819",
                 "System.Security.SecureString": "1.0.0-*"
diff --git a/src/Microsoft.Management.Infrastructure/project.json b/src/Microsoft.Management.Infrastructure/project.json
index c063c8ee8c..8b0f14e313 100644
--- a/src/Microsoft.Management.Infrastructure/project.json
+++ b/src/Microsoft.Management.Infrastructure/project.json
@@ -15,6 +15,7 @@
         "netstandard1.5": {
             "imports": [ "dnxcore50" ],
             "compilationOptions": {
+                "warningsAsErrors": true,
                 "define": [ "_CORECLR" ]
             },
             "dependencies": {
diff --git a/src/Microsoft.PowerShell.Commands.Management/project.json b/src/Microsoft.PowerShell.Commands.Management/project.json
index c5093bf3fd..d3d58b8ceb 100644
--- a/src/Microsoft.PowerShell.Commands.Management/project.json
+++ b/src/Microsoft.PowerShell.Commands.Management/project.json
@@ -4,6 +4,7 @@
     "authors": [ "garretts", "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },
 
diff --git a/src/Microsoft.PowerShell.Commands.Utility/project.json b/src/Microsoft.PowerShell.Commands.Utility/project.json
index 5eee156ede..aba0fb0b16 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/project.json
+++ b/src/Microsoft.PowerShell.Commands.Utility/project.json
@@ -4,6 +4,7 @@
     "authors": [ "garretts", "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },
 
diff --git a/src/Microsoft.PowerShell.ConsoleHost/project.json b/src/Microsoft.PowerShell.ConsoleHost/project.json
index c558e9eed5..1621db42d8 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/project.json
+++ b/src/Microsoft.PowerShell.ConsoleHost/project.json
@@ -5,6 +5,7 @@
     "authors": [ "sevoroby", "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },
 
diff --git a/src/Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/project.json b/src/Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/project.json
index 53067ff82c..0e9a219401 100644
--- a/src/Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/project.json
+++ b/src/Microsoft.PowerShell.CoreCLR.AssemblyLoadContext/project.json
@@ -3,6 +3,10 @@
     "version": "1.0.0-*",
     "authors": [ "andschwa" ],
 
+    "compilationOptions": {
+        "warningsAsErrors": true
+    },
+
     "configurations": {
         "Linux": {
             "compilationOptions": {
diff --git a/src/Microsoft.PowerShell.Linux.Host/main.cs b/src/Microsoft.PowerShell.Linux.Host/main.cs
index d0f8e0f751..fde1f21928 100644
--- a/src/Microsoft.PowerShell.Linux.Host/main.cs
+++ b/src/Microsoft.PowerShell.Linux.Host/main.cs
@@ -388,7 +388,7 @@ OPTIONS
                     this.currentPowerShell.Invoke(null, settings);
                 }
             }
-            catch (IncompleteParseException e)
+            catch (IncompleteParseException)
             {
                 incompleteLine = true;
                 cmd = cmd.Trim();
diff --git a/src/Microsoft.PowerShell.Linux.Host/project.json b/src/Microsoft.PowerShell.Linux.Host/project.json
index 6ff86d98a7..3ed353c853 100644
--- a/src/Microsoft.PowerShell.Linux.Host/project.json
+++ b/src/Microsoft.PowerShell.Linux.Host/project.json
@@ -5,6 +5,7 @@
     "authors": [ "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "emitEntryPoint": true
     },
 
diff --git a/src/Microsoft.PowerShell.Security/project.json b/src/Microsoft.PowerShell.Security/project.json
index 1da073edc4..28a9afadbe 100644
--- a/src/Microsoft.PowerShell.Security/project.json
+++ b/src/Microsoft.PowerShell.Security/project.json
@@ -4,6 +4,7 @@
     "authors": [ "garretts", "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },
 
diff --git a/src/System.Management.Automation/project.json b/src/System.Management.Automation/project.json
index b3225ac216..8abfe1489a 100644
--- a/src/System.Management.Automation/project.json
+++ b/src/System.Management.Automation/project.json
@@ -4,6 +4,7 @@
     "authors": [ "garretts", "andschwa" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },
 
diff --git a/src/System.Security.SecureString/project.json b/src/System.Security.SecureString/project.json
index a940445533..cb5181a4a1 100644
--- a/src/System.Security.SecureString/project.json
+++ b/src/System.Security.SecureString/project.json
@@ -5,6 +5,7 @@
     "authors": [ "garretts" ],
 
     "compilationOptions": {
+        "warningsAsErrors": true,
         "allowUnsafe": true
     },