diff --git a/README.md b/README.md
index 45d5f53..81fa9bf 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,6 @@ To get the most out of Terraform workspaces it is recommended that the AWS provi
 provider "aws" {
     region = "${var.region}"
     profile = "${var.workspace}"
-    shared_credentials_file = ${var.shared_credentials_file}
 }
 ```
 
@@ -61,7 +60,7 @@ variable "workspace" {
 }
 ```
 
-This will make Terraform lookup AWS credentials from the `~/.aws/credentials` file using the workspace name as the stanza name. For example the credentials file would look like the shared-creds file in this repo.
+This will make Terraform lookup AWS credentials from the `~/.aws/credentials` file using the workspace name as the stanza name. 
 
 ## atmos -e
 
diff --git a/atmos.py b/atmos.py
index 5de6a79..6fb592d 100755
--- a/atmos.py
+++ b/atmos.py
@@ -35,7 +35,6 @@ def determine_actions(args, params):
     if (args.command in env_actions) and not (args.n): # Append with env context
         cmd = cmd + ' -var-file=vars/{env}.tfvars'.format(env=workspace_vars) 
         cmd = cmd + ' -var "workspace={env}"'.format(env=workspace)
-        cmd = cmd + ' -var "shared_credentials_file={aws_creds_file}"'.format(aws_creds_file=aws_creds_file)
 
     for param in params: # Pass terraform params directly through
         cmd = cmd + ' ' + param
diff --git a/tests.py b/tests.py
index 9f1373a..a5b885c 100644
--- a/tests.py
+++ b/tests.py
@@ -22,35 +22,35 @@ class DetermineActionsTests(unittest.TestCase):
 
     @patch("workspaces.get_env")
     def test_whenCalledWithInitCommand_shouldAppendVarsAndCreds(self, mocked_get_env):
-        """Case where var-file, -var workpace=xyz and -var shared_credentials is appended"""
+        """Case where var-file, -var workpace=xyz is appended"""
         self.input_args.command = "init"
         mocked_get_env.return_value = "mytestenv"
         atmos.determine_actions(self.input_args, [])
-        atmos.run_cmd.assert_called_with('terraform init -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv" -var "shared_credentials_file=$HOME/.aws/credentials"')
+        atmos.run_cmd.assert_called_with('terraform init -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv"')
 
     @patch("workspaces.get_env")
     def test_whenCalledWithPlanCommand_shouldAppendVarsAndCreds(self, mocked_get_env):
-        """Case where var-file, -var workpace=xyz and -var shared_credentials is appended"""
+        """Case where var-file, -var workpace=xyz is appended"""
         self.input_args.command = "plan"
         mocked_get_env.return_value = "mytestenv"
         atmos.determine_actions(self.input_args, [])
-        atmos.run_cmd.assert_called_with('terraform plan -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv" -var "shared_credentials_file=$HOME/.aws/credentials"')
+        atmos.run_cmd.assert_called_with('terraform plan -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv"')
 
     @patch("workspaces.get_env")
     def test_whenCalledWithApplyCommand_shouldAppendVarsAndCreds(self, mocked_get_env):
-        """Case where var-file, -var workpace=xyz and -var shared_credentials is appended"""
+        """Case where var-file, -var workpace=xyz is appended"""
         self.input_args.command = "apply"
         mocked_get_env.return_value = "mytestenv"
         atmos.determine_actions(self.input_args, [])
-        atmos.run_cmd.assert_called_with('terraform apply -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv" -var "shared_credentials_file=$HOME/.aws/credentials"')
+        atmos.run_cmd.assert_called_with('terraform apply -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv"')
 
     @patch("workspaces.get_env")
     def test_whenCalledWithDestroyCommand_shouldAppendVarsAndCreds(self, mocked_get_env):
-        """Case where var-file, -var workpace=xyz and -var shared_credentials is appended"""
+        """Case where var-file, -var workpace=xyz is appended"""
         self.input_args.command = "destroy"
         mocked_get_env.return_value = "mytestenv"
         atmos.determine_actions(self.input_args, [])
-        atmos.run_cmd.assert_called_with('terraform destroy -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv" -var "shared_credentials_file=$HOME/.aws/credentials"')
+        atmos.run_cmd.assert_called_with('terraform destroy -var-file=vars/mytestenv.tfvars -var "workspace=mytestenv"')
 
     @patch("workspaces.workspace_manager")
     def test_whenInAGitRepo_andManualArgIsNotGiven_andEnvironmentArgIsNotGiven_shouldCallTheWorkspaceManager(self, mocked_workspace_manager):
@@ -66,4 +66,4 @@ class DetermineActionsTests(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()