diff --git a/dtool/pptempl/Template.gmsvc.pp b/dtool/pptempl/Template.gmsvc.pp
index c442f96a95..fb9a70787a 100644
--- a/dtool/pptempl/Template.gmsvc.pp
+++ b/dtool/pptempl/Template.gmsvc.pp
@@ -200,9 +200,9 @@
 // NUMBER_OF_PROCESSORS, which should be set by NT.  Maybe this isn't
 // a good idea to do all the time, but you can always disable it by
 // explicitly unsetting NUMBER_OF_PROCESSORS, or by setting it to 1.
-#if $[NUMBER_OF_PROCESSORS]
-MAKEFLAGS := -j$[NUMBER_OF_PROCESSORS]
-#endif
+//#if $[NUMBER_OF_PROCESSORS]
+//MAKEFLAGS := -j$[NUMBER_OF_PROCESSORS]
+//#endif
 
 // The 'all' rule makes all the stuff in the directory except for the
 // test_bin_targets.  It doesn't do any installation, however.
diff --git a/dtool/pptempl/Template.unix.pp b/dtool/pptempl/Template.unix.pp
index 6dbb09d2ca..8d5b77d289 100644
--- a/dtool/pptempl/Template.unix.pp
+++ b/dtool/pptempl/Template.unix.pp
@@ -176,9 +176,9 @@
 // NUMBER_OF_PROCESSORS, which should be set by NT.  Maybe this isn't
 // a good idea to do all the time, but you can always disable it by
 // explicitly unsetting NUMBER_OF_PROCESSORS, or by setting it to 1.
-#if $[NUMBER_OF_PROCESSORS]
-MAKEFLAGS := -j$[NUMBER_OF_PROCESSORS]
-#endif
+//#if $[NUMBER_OF_PROCESSORS]
+//MAKEFLAGS := -j$[NUMBER_OF_PROCESSORS]
+//#endif
 
 // The 'all' rule makes all the stuff in the directory except for the
 // test_bin_targets.  It doesn't do any installation, however.