diff --git a/packages/relay-experimental/__tests__/useLazyLoadQueryNode-test.js b/packages/relay-experimental/__tests__/useLazyLoadQueryNode-test.js
index f27ea0529d96c..0ed02db657616 100644
--- a/packages/relay-experimental/__tests__/useLazyLoadQueryNode-test.js
+++ b/packages/relay-experimental/__tests__/useLazyLoadQueryNode-test.js
@@ -607,13 +607,9 @@ describe('useLazyLoadQueryNode', () => {
       });
 
       expect(logs).toMatchObject([
-        {
-          name: 'execute.start',
-          transactionID: 100000,
-        },
         {
           name: 'network.start',
-          transactionID: 100001,
+          transactionID: 100000,
         },
         {
           name: 'queryresource.fetch',
@@ -622,18 +618,10 @@ describe('useLazyLoadQueryNode', () => {
         },
         {
           name: 'network.next',
-          transactionID: 100001,
-        },
-        {
-          name: 'execute.next',
           transactionID: 100000,
         },
         {
           name: 'network.complete',
-          transactionID: 100001,
-        },
-        {
-          name: 'execute.complete',
           transactionID: 100000,
         },
         {
@@ -717,13 +705,8 @@ describe('useLazyLoadQueryNode', () => {
         },
         {
           // request for variables one starts
-          name: 'execute.start',
-          transactionID: 100000,
-          variables: variablesOne,
-        },
-        {
           name: 'network.start',
-          transactionID: 100001,
+          transactionID: 100000,
           variables: variablesOne,
         },
         {
@@ -740,13 +723,8 @@ describe('useLazyLoadQueryNode', () => {
         },
         {
           // request for variables two starts
-          name: 'execute.start',
-          transactionID: 100002,
-          variables: variablesTwo,
-        },
-        {
           name: 'network.start',
-          transactionID: 100003,
+          transactionID: 100001,
           variables: variablesTwo,
         },
         {
@@ -765,18 +743,10 @@ describe('useLazyLoadQueryNode', () => {
         // since it's already cached and reused
         {
           name: 'network.next',
-          transactionID: 100001,
-        },
-        {
-          name: 'execute.next',
           transactionID: 100000,
         },
         {
           name: 'network.complete',
-          transactionID: 100001,
-        },
-        {
-          name: 'execute.complete',
           transactionID: 100000,
         },
         // retain event for variables one
diff --git a/packages/relay-runtime/store/RelayModernEnvironment.js b/packages/relay-runtime/store/RelayModernEnvironment.js
index 2cf9af178672b..96d0922a6f054 100644
--- a/packages/relay-runtime/store/RelayModernEnvironment.js
+++ b/packages/relay-runtime/store/RelayModernEnvironment.js
@@ -30,7 +30,6 @@ import type {HandlerProvider} from '../handlers/RelayDefaultHandlerProvider';
 import type {
   GraphQLResponse,
   INetwork,
-  LogRequestInfoFunction,
   PayloadData,
   UploadableMap,
 } from '../network/RelayNetworkTypes';
@@ -367,10 +366,6 @@ class RelayModernEnvironment implements IEnvironment {
     operation: OperationDescriptor,
     updater?: ?SelectorStoreUpdater,
   |}): RelayObservable<GraphQLResponse> {
-    const logObserver = this.__createExecuteLogObserver(
-      operation.request.node.params,
-      operation.request.variables,
-    );
     return RelayObservable.create(sink => {
       const source = this._network.execute(
         operation.request.node.params,
@@ -395,7 +390,7 @@ class RelayModernEnvironment implements IEnvironment {
         treatMissingFieldsAsNull: this._treatMissingFieldsAsNull,
       });
       return () => executor.cancel();
-    }).do(logObserver);
+    });
   }
 
   /**
@@ -421,10 +416,6 @@ class RelayModernEnvironment implements IEnvironment {
     updater?: ?SelectorStoreUpdater,
     uploadables?: ?UploadableMap,
   |}): RelayObservable<GraphQLResponse> {
-    const logObserver = this.__createExecuteLogObserver(
-      operation.request.node.params,
-      operation.request.variables,
-    );
     return RelayObservable.create(sink => {
       let optimisticConfig;
       if (optimisticResponse || optimisticUpdater) {
@@ -460,7 +451,7 @@ class RelayModernEnvironment implements IEnvironment {
         treatMissingFieldsAsNull: this._treatMissingFieldsAsNull,
       });
       return () => executor.cancel();
-    }).do(logObserver);
+    });
   }
 
   /**
@@ -479,10 +470,6 @@ class RelayModernEnvironment implements IEnvironment {
     operation: OperationDescriptor,
     source: RelayObservable<GraphQLResponse>,
   |}): RelayObservable<GraphQLResponse> {
-    const logObserver = this.__createExecuteLogObserver(
-      operation.request.node.params,
-      operation.request.variables,
-    );
     return RelayObservable.create(sink => {
       const executor = RelayModernQueryExecutor.execute({
         operation,
@@ -500,57 +487,13 @@ class RelayModernEnvironment implements IEnvironment {
         treatMissingFieldsAsNull: this._treatMissingFieldsAsNull,
       });
       return () => executor.cancel();
-    }).do(logObserver);
+    });
   }
 
   toJSON(): mixed {
     return `RelayModernEnvironment(${this.configName ?? ''})`;
   }
 
-  __createExecuteLogObserver(
-    params: RequestParameters,
-    variables: Variables,
-  ): Observer<GraphQLResponse> {
-    const transactionID = generateID();
-    const log = this.__log;
-    return {
-      start: subscription => {
-        log({
-          name: 'execute.start',
-          transactionID,
-          params,
-          variables,
-        });
-      },
-      next: response => {
-        log({
-          name: 'execute.next',
-          transactionID,
-          response,
-        });
-      },
-      error: error => {
-        log({
-          name: 'execute.error',
-          transactionID,
-          error,
-        });
-      },
-      complete: () => {
-        log({
-          name: 'execute.complete',
-          transactionID,
-        });
-      },
-      unsubscribe: () => {
-        log({
-          name: 'execute.unsubscribe',
-          transactionID,
-        });
-      },
-    };
-  }
-
   /**
    * Wraps the network with logging to ensure that network requests are
    * always logged. Relying on each network callsite to be wrapped is
diff --git a/packages/relay-runtime/store/RelayStoreTypes.js b/packages/relay-runtime/store/RelayStoreTypes.js
index e7f462a8e1b58..0f69705adb447 100644
--- a/packages/relay-runtime/store/RelayStoreTypes.js
+++ b/packages/relay-runtime/store/RelayStoreTypes.js
@@ -464,30 +464,6 @@ export type LogEvent =
       // value from ProfilerContext
       +profilerContext: mixed,
     |}
-  | {|
-      +name: 'execute.start',
-      +transactionID: number,
-      +params: RequestParameters,
-      +variables: Variables,
-    |}
-  | {|
-      +name: 'execute.next',
-      +transactionID: number,
-      +response: GraphQLResponse,
-    |}
-  | {|
-      +name: 'execute.error',
-      +transactionID: number,
-      +error: Error,
-    |}
-  | {|
-      +name: 'execute.complete',
-      +transactionID: number,
-    |}
-  | {|
-      +name: 'execute.unsubscribe',
-      +transactionID: number,
-    |}
   | {|
       +name: 'network.info',
       +transactionID: number,