1 files changed, 0 insertions, 66 deletions
diff --git a/jstests/core/txns/libs/prepare_helpers.js b/jstests/core/txns/libs/prepare_helpers.js
index 95efbc8bbea..4d87fd9ee07 100644
--- a/jstests/core/txns/libs/prepare_helpers.js
+++ b/jstests/core/txns/libs/prepare_helpers.js
@@ -62,75 +62,9 @@ const PrepareHelpers = (function() {
         return session;
     }
 
-    const oplogSizeMB = 1;
-    const oplogSizeBytes = oplogSizeMB * 1024 * 1024;
-    const tenKB = new Array(10 * 1024).join("a");
-
-    /**
-     * Writes until the oplog exceeds its configured maximum, proving that the node keeps as much
-     * oplog as necessary to preserve entries for the oldest active transaction.
-     */
-    function growOplogPastMaxSize(replSet) {
-        const primary = replSet.getPrimary();
-        const oplog = primary.getDB("local").oplog.rs;
-        assert.lte(oplog.dataSize(), oplogSizeBytes);
-        const coll = primary.getDB("growOplogPastMaxSize").growOplogPastMaxSize;
-        const numNodes = replSet.nodeList().length;
-        while (oplog.dataSize() <= 2 * oplogSizeBytes) {
-            assert.commandWorked(coll.insert({tenKB: tenKB}, {writeConcern: {w: numNodes}}));
-        }
-
-        print(`Oplog on ${primary} dataSize = ${oplog.dataSize()}`);
-    }
-
-    /**
-     * Waits for the oplog to be truncated, proving that once a transaction finishes its oplog
-     * entries can be reclaimed.
-     */
-    function awaitOplogTruncation(replSet) {
-        print(`Waiting for oplog to shrink to ${oplogSizeMB} MB`);
-        const primary = replSet.getPrimary();
-        const primaryOplog = primary.getDB("local").oplog.rs;
-        const secondary = replSet.getSecondary();
-        const secondaryOplog = secondary.getDB("local").oplog.rs;
-
-        // Old entries are reclaimed when oplog size reaches new milestone. With a 1MB oplog,
-        // milestones are every 0.1 MB (see WiredTigerRecordStore::OplogStones::OplogStones) so
-        // write about 0.2 MB to be certain.
-        print("Add writes after transaction finished to trigger oplog reclamation");
-        const tenKB = new Array(10 * 1024).join("a");
-        const coll = primary.getDB("awaitOplogTruncation").awaitOplogTruncation;
-        const numNodes = replSet.nodeList().length;
-        for (let i = 0; i < 20; i++) {
-            assert.commandWorked(coll.insert({tenKB: tenKB}, {writeConcern: {w: numNodes}}));
-        }
-
-        for (let [nodeName, oplog] of[["primary", primaryOplog], ["secondary", secondaryOplog]]) {
-            assert.soon(function() {
-                const dataSize = oplog.dataSize();
-                const prepareEntryRemoved = (oplog.findOne({prepare: true}) === null);
-                print(`${nodeName} oplog dataSize: ${dataSize},` +
-                      ` prepare entry removed: ${prepareEntryRemoved}`);
-
-                // The oplog milestone system allows the oplog to grow to 110% its max size.
-                if (dataSize < 1.1 * oplogSizeBytes && prepareEntryRemoved) {
-                    return true;
-                }
-
-                assert.commandWorked(coll.insert({tenKB: tenKB}, {writeConcern: {w: numNodes}}));
-                return false;
-            }, `waiting for ${nodeName} oplog reclamation`, ReplSetTest.kDefaultTimeoutMS, 1000);
-        }
-    }
-
     return {
         prepareTransaction: prepareTransaction,
         commitTransaction: commitTransaction,
         createSessionWithGivenId: createSessionWithGivenId,
-        oplogSizeMB: oplogSizeMB,
-        oplogSizeBytes: oplogSizeBytes,
-        replSetStartSetOptions: {oplogSize: oplogSizeMB},
-        growOplogPastMaxSize: growOplogPastMaxSize,
-        awaitOplogTruncation: awaitOplogTruncation
     };
 })();