diff --git a/Source/Modules/php.cxx b/Source/Modules/php.cxx
index 2b89223fa..386e48b52 100644
--- a/Source/Modules/php.cxx
+++ b/Source/Modules/php.cxx
@@ -2861,17 +2861,3 @@ static Language *new_swig_php() {
 extern "C" Language *swig_php(void) {
   return new_swig_php();
 }
-
-extern "C" Language *swig_php4(void) {
-  Printf(stderr, "*** -php4 is no longer supported.\n"
-		 "*** Either upgrade to PHP5 or use SWIG 1.3.36 or earlier.\n");
-  SWIG_exit(EXIT_FAILURE);
-  return NULL; // To avoid compiler warnings.
-}
-
-extern "C" Language *swig_php5(void) {
-  Printf(stderr, "*** -php5 is no longer supported.\n"
-		 "*** Either upgrade to PHP7 or use SWIG < 4.0.0.\n");
-  SWIG_exit(EXIT_FAILURE);
-  return NULL; // To avoid compiler warnings.
-}
diff --git a/Source/Modules/swigmain.cxx b/Source/Modules/swigmain.cxx
index 00693d874..e1ccaf598 100644
--- a/Source/Modules/swigmain.cxx
+++ b/Source/Modules/swigmain.cxx
@@ -38,8 +38,6 @@ extern "C" {
   Language *swig_octave(void);
   Language *swig_perl5(void);
   Language *swig_php(void);
-  Language *swig_php4(void);
-  Language *swig_php5(void);
   Language *swig_python(void);
   Language *swig_r(void);
   Language *swig_ruby(void);
@@ -71,8 +69,8 @@ static TargetLanguageModule modules[] = {
   {"-perl", swig_perl5, "Perl", Supported},
   {"-perl5", swig_perl5, NULL, Supported},
   {"-php", swig_php, NULL, Supported},
-  {"-php4", swig_php4, NULL, Supported},
-  {"-php5", swig_php5, NULL, Supported},
+  {"-php4", NULL, "PHP4", Disabled},
+  {"-php5", NULL, "PHP5", Disabled},
   {"-php7", swig_php, "PHP7", Supported},
   {"-pike", NULL, "Pike", Disabled},
   {"-python", swig_python, "Python", Supported},