diff --git a/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java b/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
index eafa09fb5..d2d5e40e8 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java
@@ -287,21 +287,8 @@ public final class RepositoryDelegatorFunction implements SkyFunction {
           markerData.put(key, value);
         }
       }
-      boolean result = false;
-      if (markerRuleKey.equals(ruleKey)) {
-        result = handler.verifyMarkerData(rule, markerData, env);
-        if (env.valuesMissing()) {
-          return null;
-        }
-      }
 
-      if (result) {
-        return new Fingerprint().addString(content).digestAndReset();
-      } else {
-        // So that we are in a consistent state if something happens while fetching the repository
-        markerPath.delete();
-        return null;
-      }
+      return new Fingerprint().addString(content).digestAndReset();
 
     } catch (IOException e) {
       throw new RepositoryFunctionException(e, Transience.TRANSIENT);
diff --git a/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java b/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
index a7ebc8f7a..40f2049fa 100644
--- a/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
+++ b/src/main/java/com/google/devtools/build/lib/shell/JavaSubprocessFactory.java
@@ -129,7 +129,6 @@ public class JavaSubprocessFactory implements SubprocessFactory {
     ProcessBuilder builder = new ProcessBuilder();
     builder.command(params.getArgv());
     if (params.getEnv() != null) {
-      builder.environment().clear();
       builder.environment().putAll(params.getEnv());
     }
 
diff --git a/src/main/java/com/google/devtools/build/lib/worker/Worker.java b/src/main/java/com/google/devtools/build/lib/worker/Worker.java
index 0268d1b2b..637364657 100644
--- a/src/main/java/com/google/devtools/build/lib/worker/Worker.java
+++ b/src/main/java/com/google/devtools/build/lib/worker/Worker.java
@@ -77,7 +77,6 @@ class Worker {
         new ProcessBuilder(command)
             .directory(workDir.getPathFile())
             .redirectError(Redirect.appendTo(logFile.getPathFile()));
-    processBuilder.environment().clear();
     processBuilder.environment().putAll(workerKey.getEnv());
 
     this.process = processBuilder.start();