diff --git a/src/dlangide/builders/builder.d b/src/dlangide/builders/builder.d
index a96b9c1..0d47f2b 100644
--- a/src/dlangide/builders/builder.d
+++ b/src/dlangide/builders/builder.d
@@ -16,7 +16,6 @@ alias BuildResultListener = void delegate(int);
 
 class Builder : BackgroundOperationWatcher {
     protected Project _project;
-    protected string _filename; // for rdmd
     protected ExternalProcess _extprocess;
     protected OutputPanel _log;
     protected ProtectedTextStorage _box;
@@ -55,23 +54,6 @@ class Builder : BackgroundOperationWatcher {
         _box = new ProtectedTextStorage();
     }
 
-    this(AppFrame frame, string filename, OutputPanel log, BuildConfiguration buildConfig,
-             BuildOperation buildOp,
-             string rdmdExecutable,
-             string rdmdAdditionalParams,
-             BuildResultListener listener = null) {
-        super(frame);
-        _listener = listener;
-        _buildOp = buildOp;
-        _filename = filename;
-        _buildConfig = buildConfig;
-        _executable = rdmdExecutable.empty ? "rdmd" : rdmdExecutable;
-        _additionalParams = rdmdAdditionalParams;
-        _log = log;
-        _extprocess = new ExternalProcess();
-        _box = new ProtectedTextStorage();
-    }
-
     /// log lines
     void pollText() {
         dstring text = _box.readText();
@@ -90,31 +72,10 @@ class Builder : BackgroundOperationWatcher {
             _log.clear();
             char[] program = _executable.dup;
             char[][] params;
-            char[] dir;
+            char[] dir = _project.dir.dup;
 
-            if(_buildOp == BuildOperation.RunWithRdmd) {
-                dir = std.path.dirName(_filename).dup;
-
-                if (!_additionalParams.empty)
-                    params ~= _additionalParams.dup;
-
-                switch (_buildConfig) {
-                    default:
-                    case BuildConfiguration.Debug:
-                        params ~= "-debug".dup;
-                        break;
-                    case BuildConfiguration.Release:
-                        params ~= "-release".dup;
-                        break;
-                    case BuildConfiguration.Unittest:
-                        params ~= "-unittest".dup;
-                        break;
-                }
-                params ~= std.path.baseName(_filename).dup;
-
-            } else {
+            {
                 // dub
-                dir = _project.dir.dup;
                 if (_buildOp == BuildOperation.Build || _buildOp == BuildOperation.Rebuild) {
                     params ~= "build".dup;
                     if (_buildOp == BuildOperation.Rebuild) {
diff --git a/src/dlangide/ui/frame.d b/src/dlangide/ui/frame.d
index 25ea09b..5cf9048 100644
--- a/src/dlangide/ui/frame.d
+++ b/src/dlangide/ui/frame.d
@@ -245,7 +245,7 @@ class IDEFrame : AppFrame, ProgramExecutionStatusListener, BreakpointListChangeL
             window.showMessageBox(UIString("Cannot run project"d), UIString("Cannot find executable file"d));
             return;
         }
-        ProgramExecutionNoDebug program = new ProgramExecutionNoDebug();
+        auto program = new ProgramExecutionNoDebug;
         setExecutableParameters(program, project, executableFileName);
         program.setProgramExecutionStatusListener(this);
         _execution = program;
@@ -273,6 +273,48 @@ class IDEFrame : AppFrame, ProgramExecutionStatusListener, BreakpointListChangeL
         return true;
     }
 
+    void runWithRdmd(string filename) {
+        stopExecution();
+
+        string rdmdExecutable = _settings.rdmdExecutable;
+
+        auto program = new ProgramExecutionNoDebug;
+        string sourceFileName = baseName(filename);
+        string workingDirectory = dirName(filename);
+        string[] args;
+        {
+            string rdmdAdditionalParams = _settings.rdmdAdditionalParams;
+            if (!rdmdAdditionalParams.empty)
+                args ~= rdmdAdditionalParams.split();
+
+            auto buildConfig = currentWorkspace ? currentWorkspace.buildConfiguration : BuildConfiguration.Debug;
+            switch (buildConfig) {
+                default:
+                case BuildConfiguration.Debug:
+                    args ~= "-debug";
+                    break;
+                case BuildConfiguration.Release:
+                    args ~= "-release";
+                    break;
+                case BuildConfiguration.Unittest:
+                    args ~= "-unittest";
+                    break;
+            }
+            args ~= sourceFileName;
+        }
+        version(Windows) {
+        } else {
+            string externalConsoleExecutable = _settings.terminalExecutable;
+        }
+        _logPanel.logLine("Starting " ~ sourceFileName ~ " with rdmd");
+        _statusLine.setBackgroundOperationStatus("run-rdmd", "running..."d);
+        program.setExecutableParams(rdmdExecutable, args, workingDirectory, null);
+        program.setTerminalExecutable(externalConsoleExecutable);
+        program.setProgramExecutionStatusListener(this);
+        _execution = program;
+        program.run();
+    }
+
     override protected void initialize() {
         _appName = "dlangide";
         //_editorTool = new DEditorTool(this);
@@ -1343,16 +1385,6 @@ class IDEFrame : AppFrame, ProgramExecutionStatusListener, BreakpointListChangeL
         setBackgroundOperation(op);
     }
     
-    void runWithRdmd(string filename, BuildResultListener listener = null) {
-        string rdmdExecutable = _settings.rdmdExecutable;
-        string rdmdAdditionalParams = _settings.rdmdAdditionalParams;
-        Builder op = new Builder(this, filename, _logPanel, currentWorkspace ? currentWorkspace.buildConfiguration : BuildConfiguration.Debug,
-                                 BuildOperation.RunWithRdmd,
-                                 rdmdExecutable, rdmdAdditionalParams,
-                                 listener);
-        setBackgroundOperation(op);
-    }
-
     /// updates list of available configurations
     void setProjectConfigurations(dstring[] items) {
         projectConfigurationCombo.items = items;
diff --git a/src/dlangide/workspace/workspace.d b/src/dlangide/workspace/workspace.d
index 1d9792f..61e49ec 100644
--- a/src/dlangide/workspace/workspace.d
+++ b/src/dlangide/workspace/workspace.d
@@ -19,8 +19,7 @@ enum BuildOperation {
     Clean,
     Rebuild,
     Run,
-    Upgrade,
-    RunWithRdmd
+    Upgrade
 }
 
 enum BuildConfiguration {