1 files changed, 3 insertions, 17 deletions
diff --git a/guava/src/com/google/common/collect/CollectPreconditions.java b/guava/src/com/google/common/collect/CollectPreconditions.java
index 98b30c6d5..e3e1cbece 100644
--- a/guava/src/com/google/common/collect/CollectPreconditions.java
+++ b/guava/src/com/google/common/collect/CollectPreconditions.java
@@ -19,9 +19,10 @@ package com.google.common.collect;
 import static com.google.common.base.Preconditions.checkState;
 
 import com.google.common.annotations.GwtCompatible;
-import com.google.errorprone.annotations.CanIgnoreReturnValue;
 
-/** Precondition checks useful in collection implementations. */
+/**
+ * Precondition checks useful in collection implementations.
+ */
 @GwtCompatible
 final class CollectPreconditions {
 
@@ -33,7 +34,6 @@ final class CollectPreconditions {
     }
   }
 
-  @CanIgnoreReturnValue
   static int checkNonnegative(int value, String name) {
     if (value < 0) {
       throw new IllegalArgumentException(name + " cannot be negative but was: " + value);
@@ -41,20 +41,6 @@ final class CollectPreconditions {
     return value;
   }
 
-  @CanIgnoreReturnValue
-  static long checkNonnegative(long value, String name) {
-    if (value < 0) {
-      throw new IllegalArgumentException(name + " cannot be negative but was: " + value);
-    }
-    return value;
-  }
-
-  static void checkPositive(int value, String name) {
-    if (value <= 0) {
-      throw new IllegalArgumentException(name + " must be positive but was: " + value);
-    }
-  }
-
   /**
    * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
    * error message.