diff --git a/Zend/tests/gc_004.phpt b/Zend/tests/gc_004.phpt
index ce6a94b79a1..8ff5bebfb2e 100644
--- a/Zend/tests/gc_004.phpt
+++ b/Zend/tests/gc_004.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 004: Simple array cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_005.phpt b/Zend/tests/gc_005.phpt
index 0660ded2f74..97b368fce6c 100644
--- a/Zend/tests/gc_005.phpt
+++ b/Zend/tests/gc_005.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 005: Simple object cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = new stdClass();
diff --git a/Zend/tests/gc_006.phpt b/Zend/tests/gc_006.phpt
index 4ba0d926721..0b3a91e2f40 100644
--- a/Zend/tests/gc_006.phpt
+++ b/Zend/tests/gc_006.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 006: Simple array-object cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = new stdClass();
diff --git a/Zend/tests/gc_007.phpt b/Zend/tests/gc_007.phpt
index 4baa5e666f4..1a45ecf1ed7 100644
--- a/Zend/tests/gc_007.phpt
+++ b/Zend/tests/gc_007.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 007: Unreferensed array cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array(array());
diff --git a/Zend/tests/gc_008.phpt b/Zend/tests/gc_008.phpt
index b62504bd274..e27a6b402ca 100644
--- a/Zend/tests/gc_008.phpt
+++ b/Zend/tests/gc_008.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 008: Unreferensed object cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = new stdClass();
diff --git a/Zend/tests/gc_009.phpt b/Zend/tests/gc_009.phpt
index 02ee1ae03e5..fe703107ae2 100644
--- a/Zend/tests/gc_009.phpt
+++ b/Zend/tests/gc_009.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 009: Unreferensed array-object cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_010.phpt b/Zend/tests/gc_010.phpt
index d39ef8a096c..d08da356a2d 100644
--- a/Zend/tests/gc_010.phpt
+++ b/Zend/tests/gc_010.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 010: Cycle with reference to $GLOBALS
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_011.phpt b/Zend/tests/gc_011.phpt
index 97819be23ec..bcaf21e4d80 100644
--- a/Zend/tests/gc_011.phpt
+++ b/Zend/tests/gc_011.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 011: GC and destructors
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class Foo {
diff --git a/Zend/tests/gc_012.phpt b/Zend/tests/gc_012.phpt
index eff76ef31c1..f6c85389798 100644
--- a/Zend/tests/gc_012.phpt
+++ b/Zend/tests/gc_012.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 012: collection of many loops at once
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a=array();
diff --git a/Zend/tests/gc_013.phpt b/Zend/tests/gc_013.phpt
index ddfa0e6ba53..9209ca2b402 100644
--- a/Zend/tests/gc_013.phpt
+++ b/Zend/tests/gc_013.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 013: Too many cycles in one array
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_014.phpt b/Zend/tests/gc_014.phpt
index 8167880f9cd..9f43fc8505a 100644
--- a/Zend/tests/gc_014.phpt
+++ b/Zend/tests/gc_014.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 014: Too many cycles in one object
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = new stdClass();
diff --git a/Zend/tests/gc_015.phpt b/Zend/tests/gc_015.phpt
index be3c5eb9dbc..df85836ed89 100644
--- a/Zend/tests/gc_015.phpt
+++ b/Zend/tests/gc_015.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 015: Object as root of cycle
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = new stdClass();
diff --git a/Zend/tests/gc_016.phpt b/Zend/tests/gc_016.phpt
index 6d6a3630705..f1e14dab1a8 100644
--- a/Zend/tests/gc_016.phpt
+++ b/Zend/tests/gc_016.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 016: nested GC calls
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class Foo {
diff --git a/Zend/tests/gc_017.phpt b/Zend/tests/gc_017.phpt
index 9df04e280f8..50be61025fd 100644
--- a/Zend/tests/gc_017.phpt
+++ b/Zend/tests/gc_017.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 017: GC and destructors with unset
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class Node {
diff --git a/Zend/tests/gc_018.phpt b/Zend/tests/gc_018.phpt
index c202d8cdcf6..ef797ae6de6 100644
--- a/Zend/tests/gc_018.phpt
+++ b/Zend/tests/gc_018.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 018: GC detach with assign
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array(array());
diff --git a/Zend/tests/gc_019.phpt b/Zend/tests/gc_019.phpt
index 12400d2f065..17d0f73be22 100644
--- a/Zend/tests/gc_019.phpt
+++ b/Zend/tests/gc_019.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 019: GC detach with assign by reference
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array(array());
diff --git a/Zend/tests/gc_020.phpt b/Zend/tests/gc_020.phpt
index 76e8aff9a9a..8f22e1b4b72 100644
--- a/Zend/tests/gc_020.phpt
+++ b/Zend/tests/gc_020.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 020: GC detach reference with assign
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_021.phpt b/Zend/tests/gc_021.phpt
index 4e6c750947c..3db702ac5c5 100644
--- a/Zend/tests/gc_021.phpt
+++ b/Zend/tests/gc_021.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 021: GC detach reference with assign by reference
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array();
diff --git a/Zend/tests/gc_022.phpt b/Zend/tests/gc_022.phpt
index 0418bf9a066..5d7bb8494b6 100644
--- a/Zend/tests/gc_022.phpt
+++ b/Zend/tests/gc_022.phpt
@@ -2,6 +2,7 @@
 GC 022: GC detach reference in executor's PZVAL_UNLOCK()
 --INI--
 error_reporting=0
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array(array());
diff --git a/Zend/tests/gc_023.phpt b/Zend/tests/gc_023.phpt
index 3c0580129ef..6d6e1e6376b 100644
--- a/Zend/tests/gc_023.phpt
+++ b/Zend/tests/gc_023.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 023: Root buffer overflow (automatic collection)
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a=array();
diff --git a/Zend/tests/gc_024.phpt b/Zend/tests/gc_024.phpt
index ee734d628c8..a139e95da47 100644
--- a/Zend/tests/gc_024.phpt
+++ b/Zend/tests/gc_024.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 024: GC and objects with non-standard handlers
+--INI--
+zend.enable_gc=1
 --SKIPIF--
 <?php if (!extension_loaded("spl")) print "skip"; ?>
 --FILE--
diff --git a/Zend/tests/gc_025.phpt b/Zend/tests/gc_025.phpt
index 5ae65272575..f838ed307fb 100644
--- a/Zend/tests/gc_025.phpt
+++ b/Zend/tests/gc_025.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 025: Automatic GC on request shutdown
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 $a = array(array());
diff --git a/Zend/tests/gc_027.phpt b/Zend/tests/gc_027.phpt
index 9d2418eb4f4..d499cc314a1 100644
--- a/Zend/tests/gc_027.phpt
+++ b/Zend/tests/gc_027.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 027: GC and properties of internal classes
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 try {
diff --git a/Zend/tests/gc_028.phpt b/Zend/tests/gc_028.phpt
index 6f330cb60b2..8dc70fc3970 100644
--- a/Zend/tests/gc_028.phpt
+++ b/Zend/tests/gc_028.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 028: GC and destructors
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class Foo {
diff --git a/Zend/tests/gc_029.phpt b/Zend/tests/gc_029.phpt
index ea0660eca4f..438053414a8 100644
--- a/Zend/tests/gc_029.phpt
+++ b/Zend/tests/gc_029.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 029: GC and destructors
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class Foo {
diff --git a/Zend/tests/gc_030.phpt b/Zend/tests/gc_030.phpt
index 27db29d981b..ef044e0f03e 100644
--- a/Zend/tests/gc_030.phpt
+++ b/Zend/tests/gc_030.phpt
@@ -1,5 +1,7 @@
 --TEST--
 GC 030: GC and exceptions in destructors
+--INI--
+zend.enable_gc=1
 --FILE--
 <?php
 class foo {
@@ -28,4 +30,4 @@ Next exception 'Exception' with message 'foobar' in %sgc_030.php:%d
 Stack trace:
 #0 %sgc_030.php(%d): foo->__destruct()
 #1 {main}
-  thrown in %sgc_030.php on line %d
\ No newline at end of file
+  thrown in %sgc_030.php on line %d