diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c
index 4761dfc83f6a2164a690e6d175f23cdca7742cb4..ad817f950d80baf1f34b16699d695b0d96537120 100644
--- a/src/backend/access/gist/gist.c
+++ b/src/backend/access/gist/gist.c
@@ -11,93 +11,25 @@
  *-------------------------------------------------------------------------
  */
 
-#include <stdio.h>
-#include <time.h>
-#include <sys/types.h>
-#include <string.h>
-
 #include "postgres.h"
- 
-#include "catalog/pg_attribute.h"
-#include "access/attnum.h"
-#include "nodes/nodes.h"
-#include "nodes/pg_list.h"
-#include "access/tupdesc.h"  
-#include "storage/fd.h"  
-#include "catalog/pg_am.h"
-#include "catalog/pg_class.h"
-#include "rewrite/prs2lock.h"
-#include "access/skey.h"
-#include "access/strat.h"
-#include "utils/rel.h"
- 
-#include "storage/block.h" 
-#include "storage/off.h" 
-#include "storage/itemptr.h"
-#include "access/itup.h"
- 
-#include "storage/itemid.h"
-#include "storage/item.h"
-#include "storage/buf.h"
-#include "storage/page.h"
-#include "storage/bufpage.h"
-#include "access/gist.h"
-
-#include "access/funcindex.h"
-
-#include "utils/nabstime.h"
-#include "access/htup.h"
-
-#include "executor/tuptable.h"
-
-#include "utils/tqual.h"
-#include "access/relscan.h"
-
-#include "nodes/params.h"
-#include "access/sdir.h"
-#include "storage/ipc.h"
-#include "executor/hashjoin.h"
-#include "utils/fcache.h"
-#include "nodes/primnodes.h"
-#include "utils/memutils.h"
-#include "lib/fstack.h"
-#include "nodes/memnodes.h"  
-#include "nodes/execnodes.h"
-
-#include "storage/bufmgr.h"
-
-#include "catalog/pg_index.h"
-
-#include "utils/syscache.h"
-
-#include "nodes/plannodes.h"
-#include "nodes/parsenodes.h"
-#include "tcop/dest.h"  
-#include "executor/execdesc.h"
-#include "executor/executor.h"
 
+#include "fmgr.h"
+#include "access/genam.h"
+#include "access/gist.h"
+#include "access/gistscan.h"
 #include "access/heapam.h"
-
-#include "storage/spin.h"
-#include "utils/hsearch.h"
-#include "storage/shmem.h"
-#include "storage/lock.h"
+#include "catalog/index.h"
+#include "executor/executor.h"
+#include "storage/bufmgr.h"
+#include "storage/bufpage.h"
 #include "storage/lmgr.h"
-
 #include "utils/palloc.h"
-
-#include "catalog/index.h"
-
-#include "access/genam.h"
+#include "utils/syscache.h"
 
 #ifndef HAVE_MEMMOVE
 # include "regex/utils.h"
 #endif
 
-#include "access/gistscan.h"
-
-#include "fmgr.h"
-
 /* non-export function prototypes */
 static InsertIndexResult gistdoinsert(Relation r, IndexTuple itup,
 				    GISTSTATE *GISTstate);
diff --git a/src/backend/access/gist/gistget.c b/src/backend/access/gist/gistget.c
index 7abc2ca5c4cc22badf3021ab6424dd90ed401930..01c93da00c8b07432e02331b515436d9ea3cd5f1 100644
--- a/src/backend/access/gist/gistget.c
+++ b/src/backend/access/gist/gistget.c
@@ -16,44 +16,14 @@
 
 #include "postgres.h"
 
-#include "catalog/pg_attribute.h"
-#include "access/attnum.h"
-#include "nodes/nodes.h"
-#include "nodes/pg_list.h"
-#include "access/tupdesc.h"
-#include "storage/fd.h"
-#include "catalog/pg_am.h"  
-#include "catalog/pg_class.h"
-#include "nodes/nodes.h"
-#include "rewrite/prs2lock.h"
-#include "access/skey.h"
-#include "access/strat.h"
-#include "utils/rel.h"
- 
-#include "storage/block.h"
-#include "storage/off.h"
-#include "storage/itemptr.h"
-#include "utils/nabstime.h"
-#include "access/htup.h"
- 
-#include "utils/tqual.h"
-#include "storage/buf.h"
 #include "access/relscan.h"
- 
-#include "storage/itemid.h"
-#include "storage/item.h" 
-#include "storage/page.h"
 #include "storage/bufpage.h"
-
 #include "access/sdir.h"
- 
 #include "access/itup.h"
- 
 #include "access/gist.h"
-
 #include "executor/execdebug.h"
-
 #include "utils/palloc.h"
+#include "storage/bufmgr.h"
 
 #ifndef HAVE_MEMMOVE
 # include "regex/utils.h"
@@ -61,8 +31,6 @@
 # include <string.h>
 #endif
 
-#include "storage/ipc.h"
-#include "storage/bufmgr.h"
 
 static OffsetNumber gistfindnext(IndexScanDesc s, Page p, OffsetNumber n, 
 				 ScanDirection dir);
diff --git a/src/backend/access/gist/gistscan.c b/src/backend/access/gist/gistscan.c
index 262504e1651ce97622e1f80033797962f99b4ea8..bab14bac69ba4b52f78fbced648b83da579c0a9b 100644
--- a/src/backend/access/gist/gistscan.c
+++ b/src/backend/access/gist/gistscan.c
@@ -15,47 +15,9 @@
 
 #include "postgres.h"
 
-#include "catalog/pg_attribute.h"
-#include "access/attnum.h" 
-#include "nodes/nodes.h"
-#include "nodes/pg_list.h"
-#include "access/tupdesc.h"
-#include "storage/fd.h"  
-#include "catalog/pg_am.h"
-#include "catalog/pg_class.h"
-#include "nodes/nodes.h"
-#include "rewrite/prs2lock.h"
-#include "access/skey.h"
-#include "access/strat.h"
-#include "utils/rel.h"
- 
-#include "storage/block.h"
-#include "storage/off.h"
-#include "storage/itemptr.h"
-#include "utils/nabstime.h"
-#include "access/htup.h"
- 
-#include "utils/tqual.h"
-#include "storage/buf.h"
 #include "access/relscan.h"
- 
-#include "storage/itemid.h"
-#include "storage/item.h"
-#include "storage/page.h"
-#include "storage/bufpage.h"
 #include "access/gist.h"
-
-#include "access/itup.h"
-#include "access/funcindex.h"
-#include "access/sdir.h"
 #include "access/genam.h"
-
-#include <sys/types.h>
-#include "storage/ipc.h"
-#include "storage/spin.h"
-#include "utils/hsearch.h"
-#include "storage/shmem.h"
-#include "storage/lock.h"    
 #include "storage/lmgr.h" 
 
 #ifndef HAVE_MEMMOVE
diff --git a/src/backend/access/gist/giststrat.c b/src/backend/access/gist/giststrat.c
index d2c97ccbdeeb95345db318f9352b7ea5133520ee..aa7bfc2862ed6ed4e592cabb640f2c98d8013e6a 100644
--- a/src/backend/access/gist/giststrat.c
+++ b/src/backend/access/gist/giststrat.c
@@ -14,31 +14,8 @@
 
 #include "postgres.h"
  
-#include "catalog/pg_attribute.h"
-#include "access/attnum.h"
-#include "nodes/nodes.h"
-#include "nodes/pg_list.h"
-#include "access/tupdesc.h"
-#include "storage/fd.h"
-#include "catalog/pg_am.h"
-#include "catalog/pg_class.h"
-#include "nodes/nodes.h"
-#include "rewrite/prs2lock.h"
-#include "access/skey.h"
-#include "access/strat.h"
 #include "utils/rel.h"
-
-#include "storage/off.h"
-
-#include "storage/block.h"
- 
-#include "storage/itemid.h"
-#include "storage/item.h"  
-#include "storage/buf.h" 
-#include "storage/page.h"
-#include "storage/bufpage.h"
 #include "access/gist.h"
-
 #include "access/istrat.h"
 
 /*