diff --git a/Changes b/Changes
index 5ca963dd6..b42f99059 100644
--- a/Changes
+++ b/Changes
@@ -7,6 +7,8 @@ indicates the contributor was also the author of the fix; Thanks!
 
 **** Don't core dump on errors when not under --debug.  [Allan Cochrane]
 
+**** Remove .vpp intermediate files when not under --debug.
+
 * Verilator 3.620 10/04/2006
 
 ***  Support simple inout task ports.  [Eugene Weber]
diff --git a/bin/verilator b/bin/verilator
index eea3dfc3d..26eded8f6 100755
--- a/bin/verilator
+++ b/bin/verilator
@@ -720,7 +720,7 @@ In certain optimization modes, it also creates:
 
 It also creates internal files that can be mostly ignored:
 
-    {each_verilog_module}.vpp		// Post-processed verilog source code
+    {each_verilog_module}.vpp		// Post-processed verilog (--debug)
     {prefix}.flags_vbin			// Verilator dependencies
     {prefix}.flags_vpp			// Pre-processor dependencies
     {prefix}{misc}.d			// Make dependencies (-MMD)
diff --git a/src/V3Read.cpp b/src/V3Read.cpp
index ab8468002..6e3f57a8c 100644
--- a/src/V3Read.cpp
+++ b/src/V3Read.cpp
@@ -91,6 +91,10 @@ void V3Read::readFile(FileLine* fileline, const string& modfilename, bool inLibr
     if (!v3Global.opt.preprocOnly()) {
 	lexFile (vppfilename, modfilename);
     }
+
+    if (!V3Error::debugDefault()) {
+	unlink (vppfilename.c_str());
+    }
 }
 
 void V3Read::lexFile(const string& vppfilename, const string& modname) {