1 files changed, 3 insertions, 89 deletions
diff --git a/jstests/libs/analyze_plan.js b/jstests/libs/analyze_plan.js
index dc1f15dcb2c..dcfb3f11221 100644
--- a/jstests/libs/analyze_plan.js
+++ b/jstests/libs/analyze_plan.js
@@ -526,18 +526,9 @@ function getPlanCacheKeyFromExplain(explainRes, db) {
  * Helper to run a explain on the given query shape and get the "planCacheKey" from the explain
  * result.
  */
-function getPlanCacheKeyFromShape({
-    query = {},
-    projection = {},
-    sort = {},
-    collation = {
-        locale: "simple"
-    },
-    collection,
-    db
-}) {
-    const explainRes = assert.commandWorked(
-        collection.explain().find(query, projection).collation(collation).sort(sort).finish());
+function getPlanCacheKeyFromShape({query = {}, projection = {}, sort = {}, collection, db}) {
+    const explainRes =
+        assert.commandWorked(collection.explain().find(query, projection).sort(sort).finish());
 
     return getPlanCacheKeyFromExplain(explainRes, db);
 }
@@ -554,80 +545,3 @@ function flattenQueryPlanTree(winningPlan) {
     stages.reverse();
     return stages;
 }
-
-/**
- * Recursively checks if a javascript object contains a nested property key and returns the
- value.
- * Note, this only recurses into other objects, array elements are ignored.
- *
- * This helper function can be used for any optimizer.
- */
-function getNestedProperty(object, key) {
-    if (typeof object !== "object") {
-        return null;
-    }
-
-    for (const k in object) {
-        if (k == key) {
-            return object[k];
-        }
-
-        const result = getNestedProperty(object[k], key);
-        if (result) {
-            return result;
-        }
-    }
-    return null;
-}
-
-/**
- * Returns the output from a single shard if 'explain' was obtained from an unsharded collection;
- * returns 'explain' as is otherwise.
- *
- * This helper function can be used for any optimizer.
- */
-function getSingleNodeExplain(explain) {
-    if ("shards" in explain) {
-        const shards = explain.shards;
-        const shardNames = Object.keys(shards);
-        // There should only be one shard given that this function assumes that 'explain' was
-        // obtained from an unsharded collection.
-        assert.eq(shardNames.length, 1, explain);
-        return shards[shardNames[0]];
-    }
-    return explain;
-}
-
-/**
- * Utility to return the 'queryPlanner' section of 'explain'. The input is the root of the
- * explain output.
- *
- * This helper function can be used for any optimizer.
- */
-function getQueryPlanner(explain) {
-    explain = getSingleNodeExplain(explain);
-    if ("queryPlanner" in explain) {
-        const qp = explain.queryPlanner;
-        // Sharded case.
-        if ("winningPlan" in qp && "shards" in qp.winningPlan) {
-            return qp.winningPlan.shards[0];
-        }
-        return qp;
-    }
-    assert(explain.hasOwnProperty("stages"), explain);
-    const stage = explain.stages[0];
-    assert(stage.hasOwnProperty("$cursor"), explain);
-    const cursorStage = stage.$cursor;
-    assert(cursorStage.hasOwnProperty("queryPlanner"), explain);
-    return cursorStage.queryPlanner;
-}
-
-/**
- * Recognizes the query engine used by the query (sbe/classic).
- *
- * This helper function can be used for any optimizer.
- */
-function getEngine(explain) {
-    const queryPlanner = getQueryPlanner(explain);
-    return getNestedProperty(queryPlanner, "slotBasedPlan") ? "sbe" : "classic";
-}