diff --git a/Zend/zend.c b/Zend/zend.c
index 5670dae703ba9..b81474a62c7da 100644
--- a/Zend/zend.c
+++ b/Zend/zend.c
@@ -511,10 +511,10 @@ static FILE *zend_fopen_wrapper(const char *filename, zend_string **opened_path)
 /* }}} */
 
 #ifdef ZTS
-static zend_bool short_tags_default      = 1;
+static zend_bool short_tags_default      = 0;
 static uint32_t compiler_options_default = ZEND_COMPILE_DEFAULT;
 #else
-# define short_tags_default			1
+# define short_tags_default			0
 # define compiler_options_default	ZEND_COMPILE_DEFAULT
 #endif
 
diff --git a/ext/standard/tests/strings/strip_tags_basic1.phpt b/ext/standard/tests/strings/strip_tags_basic1.phpt
index 164cf504522a9..77cab238769fc 100644
--- a/ext/standard/tests/strings/strip_tags_basic1.phpt
+++ b/ext/standard/tests/strings/strip_tags_basic1.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : basic functionality - with default arguments
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_basic2.phpt b/ext/standard/tests/strings/strip_tags_basic2.phpt
index e9a48af79d5d3..854c267b2266f 100644
--- a/ext/standard/tests/strings/strip_tags_basic2.phpt
+++ b/ext/standard/tests/strings/strip_tags_basic2.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : basic functionality - with all arguments
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation10.phpt b/ext/standard/tests/strings/strip_tags_variation10.phpt
index eef338fa9ca04..f04f06a527a3b 100644
--- a/ext/standard/tests/strings/strip_tags_variation10.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation10.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - single quoted strings
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation11.phpt b/ext/standard/tests/strings/strip_tags_variation11.phpt
index 63d579f4adaba..eb8193833c926 100644
--- a/ext/standard/tests/strings/strip_tags_variation11.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation11.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : obscure values within attributes
---INI--
-short_open_tag = on
 --FILE--
 <?php
 
diff --git a/ext/standard/tests/strings/strip_tags_variation2.phpt b/ext/standard/tests/strings/strip_tags_variation2.phpt
index ee7d5c6cbc5c4..1a504530d29f3 100644
--- a/ext/standard/tests/strings/strip_tags_variation2.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation2.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - unexpected values for 'allowable_tags'
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation4.phpt b/ext/standard/tests/strings/strip_tags_variation4.phpt
index 2118d58959fe9..484438ef6e5c2 100644
--- a/ext/standard/tests/strings/strip_tags_variation4.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation4.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - invalid values for 'str' and valid 'allowable_tags'
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation5.phpt b/ext/standard/tests/strings/strip_tags_variation5.phpt
index e6b19540e3949..e96d2c55c139e 100644
--- a/ext/standard/tests/strings/strip_tags_variation5.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation5.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - heredoc strings
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation6.phpt b/ext/standard/tests/strings/strip_tags_variation6.phpt
index b066e718b39b2..3fbda44023ff1 100644
--- a/ext/standard/tests/strings/strip_tags_variation6.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation6.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - binary safe checking
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation7.phpt b/ext/standard/tests/strings/strip_tags_variation7.phpt
index 5ff9177b18463..7c2d9255d6f51 100644
--- a/ext/standard/tests/strings/strip_tags_variation7.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation7.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - invalid values for 'str' and 'allowable_tags'
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation8.phpt b/ext/standard/tests/strings/strip_tags_variation8.phpt
index f3c5a17136ad2..e44e296c5ddd2 100644
--- a/ext/standard/tests/strings/strip_tags_variation8.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation8.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - valid value for 'str' and invalid values for 'allowable_tags'
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/standard/tests/strings/strip_tags_variation9.phpt b/ext/standard/tests/strings/strip_tags_variation9.phpt
index 843653c208df5..a4e9951ba511a 100644
--- a/ext/standard/tests/strings/strip_tags_variation9.phpt
+++ b/ext/standard/tests/strings/strip_tags_variation9.phpt
@@ -1,7 +1,5 @@
 --TEST--
 Test strip_tags() function : usage variations - double quoted strings
---INI--
-short_open_tag = on
 --FILE--
 <?php
 /* Prototype  : string strip_tags(string $str [, string $allowable_tags])
diff --git a/ext/tokenizer/tests/002.phpt b/ext/tokenizer/tests/002.phpt
index 2a40ffe292fd5..68e13b365a4d9 100644
--- a/ext/tokenizer/tests/002.phpt
+++ b/ext/tokenizer/tests/002.phpt
@@ -3,7 +3,7 @@ token_get_all()
 --SKIPIF--
 <?php if (!extension_loaded("tokenizer")) print "skip"; ?>
 --INI--
-short_open_tag=1
+short_open_tag=On
 --FILE--
 <?php
 
@@ -22,6 +22,7 @@ foreach ($strings as $s) {
 echo "Done\n";
 ?>
 --EXPECTF--
+Deprecated: Directive 'short_open_tag' is deprecated in Unknown on line 0
 array(49) {
   [0]=>
   array(3) {
diff --git a/ext/tokenizer/tests/token_get_all_variation15.phpt b/ext/tokenizer/tests/token_get_all_variation15.phpt
index 56269f5d01463..b9e6c1fd9f00c 100644
--- a/ext/tokenizer/tests/token_get_all_variation15.phpt
+++ b/ext/tokenizer/tests/token_get_all_variation15.phpt
@@ -2,8 +2,6 @@
 Test token_get_all() function : usage variations - heredoc string for 'source'
 --SKIPIF--
 <?php if (!extension_loaded("tokenizer")) print "skip"; ?>
---INI--
-short_open_tag=On
 --FILE--
 <?php
 /* Prototype  : array token_get_all(string $source)
diff --git a/main/main.c b/main/main.c
index 54afd23789d39..905700aecff7a 100644
--- a/main/main.c
+++ b/main/main.c
@@ -2413,6 +2413,7 @@ int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_mod
 				"Directive '%s' is deprecated",
 				{
 					"track_errors",
+					"short_open_tag",
 					NULL
 				}
 			},
diff --git a/php.ini-development b/php.ini-development
index dd015e489403c..184b520b5e148 100644
--- a/php.ini-development
+++ b/php.ini-development
@@ -143,11 +143,6 @@
 ;   Development Value: 5
 ;   Production Value: 5
 
-; short_open_tag
-;   Default Value: On
-;   Development Value: Off
-;   Production Value: Off
-
 ; variables_order
 ;   Default Value: "EGPCS"
 ;   Development Value: "GPCS"
@@ -173,6 +168,7 @@
 ; http://php.net/engine
 engine = On
 
+; This directive is DEPRECATED.
 ; This directive determines whether or not PHP will recognize code between
 ; <? and ?> tags as PHP source which should be processed as such. It is
 ; generally recommended that <?php and ?> should be used and that this feature
@@ -180,11 +176,8 @@ engine = On
 ; documents, however this remains supported for backward compatibility reasons.
 ; Note that this directive does not control the <?= shorthand tag, which can be
 ; used regardless of this directive.
-; Default Value: On
-; Development Value: Off
-; Production Value: Off
 ; http://php.net/short-open-tag
-short_open_tag = Off
+;short_open_tag = Off
 
 ; The number of significant digits displayed in floating point numbers.
 ; http://php.net/precision
diff --git a/php.ini-production b/php.ini-production
index 34d428fe18592..df72c42f9803e 100644
--- a/php.ini-production
+++ b/php.ini-production
@@ -143,11 +143,6 @@
 ;   Development Value: 5
 ;   Production Value: 5
 
-; short_open_tag
-;   Default Value: On
-;   Development Value: Off
-;   Production Value: Off
-
 ; track_errors
 ;   Default Value: Off
 ;   Development Value: On
@@ -178,6 +173,7 @@
 ; http://php.net/engine
 engine = On
 
+; This directive is DEPRECATED.
 ; This directive determines whether or not PHP will recognize code between
 ; <? and ?> tags as PHP source which should be processed as such. It is
 ; generally recommended that <?php and ?> should be used and that this feature
@@ -185,11 +181,8 @@ engine = On
 ; documents, however this remains supported for backward compatibility reasons.
 ; Note that this directive does not control the <?= shorthand tag, which can be
 ; used regardless of this directive.
-; Default Value: On
-; Development Value: Off
-; Production Value: Off
 ; http://php.net/short-open-tag
-short_open_tag = Off
+;short_open_tag = Off
 
 ; The number of significant digits displayed in floating point numbers.
 ; http://php.net/precision
diff --git a/tests/lang/short_tags.001.phpt b/tests/lang/short_tags.001.phpt
index 522018e3068fa..a9145a1150643 100644
--- a/tests/lang/short_tags.001.phpt
+++ b/tests/lang/short_tags.001.phpt
@@ -8,5 +8,6 @@ echo "Used a short tag\n";
 ?>
 Finished
 --EXPECT--
+Deprecated: Directive 'short_open_tag' is deprecated in Unknown on line 0
 Used a short tag
 Finished
diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index 0403f6c5428bb..c6d9ce2f9868b 100644
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -24,7 +24,7 @@
 /* PHP Runtime Configuration */
 #define PHP_URL_FOPEN 1
 #define USE_CONFIG_FILE 1
-#define DEFAULT_SHORT_OPEN_TAG "1"
+#define DEFAULT_SHORT_OPEN_TAG "0"
 
 /* Platform-Specific Configuration. Should not be changed. */
 #define PHP_SIGCHILD 0