diff --git a/src/CoordinateOperation/CRSTransformations.php b/src/CoordinateOperation/CRSTransformations.php
index e00846fad..1105165fb 100644
--- a/src/CoordinateOperation/CRSTransformations.php
+++ b/src/CoordinateOperation/CRSTransformations.php
@@ -19303,30 +19303,6 @@ class CRSTransformations
             'accuracy' => 8.0,
             'reversible' => true,
         ],
-        [
-            'operation' => 'urn:ogc:def:coordinateOperation:EPSG::1564',
-            'name' => 'NZGD49 to WGS 84 (2)',
-            'source_crs' => 'urn:ogc:def:crs:EPSG::4272',
-            'target_crs' => 'urn:ogc:def:crs:EPSG::4326',
-            'accuracy' => 4.0,
-            'reversible' => true,
-        ],
-        [
-            'operation' => 'urn:ogc:def:coordinateOperation:EPSG::15975',
-            'name' => 'NZGD49 to WGS 84 (4)',
-            'source_crs' => 'urn:ogc:def:crs:EPSG::4272',
-            'target_crs' => 'urn:ogc:def:crs:EPSG::4326',
-            'accuracy' => 5.0,
-            'reversible' => true,
-        ],
-        [
-            'operation' => 'urn:ogc:def:coordinateOperation:EPSG::1670',
-            'name' => 'NZGD49 to WGS 84 (3)',
-            'source_crs' => 'urn:ogc:def:crs:EPSG::4272',
-            'target_crs' => 'urn:ogc:def:crs:EPSG::4326',
-            'accuracy' => 1.0,
-            'reversible' => true,
-        ],
         [
             'operation' => 'urn:ogc:def:coordinateOperation:EPSG::1653',
             'name' => 'NGO 1948 to ETRS89 (1)',
diff --git a/src/CoordinateOperation/CoordinateOperationParams.php b/src/CoordinateOperation/CoordinateOperationParams.php
index bc82fc76c..ce9da6a1b 100644
--- a/src/CoordinateOperation/CoordinateOperationParams.php
+++ b/src/CoordinateOperation/CoordinateOperationParams.php
@@ -5625,43 +5625,6 @@ class CoordinateOperationParams
                 'reverses' => true,
             ],
         ],
-        'urn:ogc:def:coordinateOperation:EPSG::1564' => [
-            'xAxisTranslation' => [
-                'value' => 59.47,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-            'yAxisTranslation' => [
-                'value' => -5.04,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-            'zAxisTranslation' => [
-                'value' => 187.44,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-            'xAxisRotation' => [
-                'value' => -0.47,
-                'uom' => 'urn:ogc:def:uom:EPSG::9104',
-                'reverses' => true,
-            ],
-            'yAxisRotation' => [
-                'value' => 0.1,
-                'uom' => 'urn:ogc:def:uom:EPSG::9104',
-                'reverses' => true,
-            ],
-            'zAxisRotation' => [
-                'value' => -1.024,
-                'uom' => 'urn:ogc:def:uom:EPSG::9104',
-                'reverses' => true,
-            ],
-            'scaleDifference' => [
-                'value' => -4.5993,
-                'uom' => 'urn:ogc:def:uom:EPSG::9202',
-                'reverses' => true,
-            ],
-        ],
         'urn:ogc:def:coordinateOperation:EPSG::1565' => [
             'xAxisTranslation' => [
                 'value' => 0.0,
@@ -74829,23 +74792,6 @@ class CoordinateOperationParams
                 'reverses' => true,
             ],
         ],
-        'urn:ogc:def:coordinateOperation:EPSG::15975' => [
-            'xAxisTranslation' => [
-                'value' => 54.4,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-            'yAxisTranslation' => [
-                'value' => -20.1,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-            'zAxisTranslation' => [
-                'value' => 183.1,
-                'uom' => 'urn:ogc:def:uom:EPSG::9001',
-                'reverses' => true,
-            ],
-        ],
         'urn:ogc:def:coordinateOperation:EPSG::15977' => [
             'xAxisTranslation' => [
                 'value' => 0.0,
diff --git a/src/CoordinateOperation/CoordinateOperations.php b/src/CoordinateOperation/CoordinateOperations.php
index d457959b1..a32672573 100644
--- a/src/CoordinateOperation/CoordinateOperations.php
+++ b/src/CoordinateOperation/CoordinateOperations.php
@@ -1320,11 +1320,6 @@ class CoordinateOperations
             'method' => 'urn:ogc:def:method:EPSG::9603',
             'extent_code' => ['1346'],
         ],
-        'urn:ogc:def:coordinateOperation:EPSG::1564' => [
-            'name' => 'NZGD49 to WGS 84 (2)',
-            'method' => 'urn:ogc:def:method:EPSG::9607',
-            'extent_code' => ['3285'],
-        ],
         'urn:ogc:def:coordinateOperation:EPSG::1565' => [
             'name' => 'NZGD2000 to WGS 84 (1)',
             'method' => 'urn:ogc:def:method:EPSG::9603',
@@ -1550,11 +1545,6 @@ class CoordinateOperations
             'method' => 'urn:ogc:def:method:EPSG::9606',
             'extent_code' => ['2340'],
         ],
-        'urn:ogc:def:coordinateOperation:EPSG::1670' => [
-            'name' => 'NZGD49 to WGS 84 (3)',
-            'method' => 'urn:ogc:def:method:EPSG::9615',
-            'extent_code' => ['3285'],
-        ],
         'urn:ogc:def:coordinateOperation:EPSG::1682' => [
             'name' => 'South Yemen to WGS 84 (1)',
             'method' => 'urn:ogc:def:method:EPSG::9603',
@@ -13660,11 +13650,6 @@ class CoordinateOperations
             'method' => 'urn:ogc:def:method:EPSG::9603',
             'extent_code' => ['3558'],
         ],
-        'urn:ogc:def:coordinateOperation:EPSG::15975' => [
-            'name' => 'NZGD49 to WGS 84 (4)',
-            'method' => 'urn:ogc:def:method:EPSG::9603',
-            'extent_code' => ['3285'],
-        ],
         'urn:ogc:def:coordinateOperation:EPSG::15977' => [
             'name' => 'Slovenia 1996 to ETRS89 (1)',
             'method' => 'urn:ogc:def:method:EPSG::9603',
diff --git a/src/EPSG/Import/EPSGCodegenFromDataImport.php b/src/EPSG/Import/EPSGCodegenFromDataImport.php
index a92e99384..d9f58f4c4 100644
--- a/src/EPSG/Import/EPSGCodegenFromDataImport.php
+++ b/src/EPSG/Import/EPSGCodegenFromDataImport.php
@@ -1183,6 +1183,7 @@ public function generateDataCoordinateOperations(): void
         $etrs89CopiesFromWGS84 = $this->determineOperationsToETRS89CopiedFromWGS84();
         $wgs84CopiesFromGDA94 = $this->determineOperationsToWGS84CopiedFromGDA94();
         $wgs84CopiesFromSIRGAS = $this->determineOperationsToWGS84CopiedFromSIRGAS();
+        $wgs84CopiesFromNZGD = $this->determineOperationsToWGS84CopiedFromNZGD2000();
 
         $blackListedOperations = array_merge(
             self::BLACKLISTED_OPERATIONS,
@@ -1190,6 +1191,7 @@ public function generateDataCoordinateOperations(): void
             $etrs89CopiesFromWGS84,
             $wgs84CopiesFromGDA94,
             $wgs84CopiesFromSIRGAS,
+            $wgs84CopiesFromNZGD,
         );
 
         $sql = "
@@ -1595,4 +1597,23 @@ private function determineOperationsToWGS84CopiedFromSIRGAS(): array
 
         return $data;
     }
+
+    private function determineOperationsToWGS84CopiedFromNZGD2000(): array
+    {
+        $sql = "
+            SELECT DISTINCT wgs84.coord_op_code
+            FROM epsg_coordoperation wgs84
+            JOIN epsg_coordoperation nzgd ON nzgd.source_crs_code = wgs84.source_crs_code AND nzgd.target_crs_code IN (4167, 4958, 4959)
+            JOIN epsg_usage u ON wgs84.coord_op_code = u.object_code AND u.object_table_name = 'epsg_coordoperation' AND u.scope_code = 1252
+            WHERE wgs84.target_crs_code IN (4978,4326,4979)
+            ";
+
+        $result = $this->sqlite->query($sql);
+        $data = [];
+        while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
+            $data[] = $row['coord_op_code'];
+        }
+
+        return $data;
+    }
 }