diff --git a/baseline-refaster-rules/src/main/java/com/palantir/baseline/refaster/AssertjIsOne.java b/baseline-refaster-rules/src/main/java/com/palantir/baseline/refaster/AssertjIsOne.java
deleted file mode 100644
index 2b13c6852..000000000
--- a/baseline-refaster-rules/src/main/java/com/palantir/baseline/refaster/AssertjIsOne.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * (c) Copyright 2019 Palantir Technologies Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.palantir.baseline.refaster;
-
-import com.google.errorprone.refaster.annotation.AfterTemplate;
-import com.google.errorprone.refaster.annotation.BeforeTemplate;
-import org.assertj.core.api.AbstractDoubleAssert;
-import org.assertj.core.api.AbstractFloatAssert;
-import org.assertj.core.api.AbstractIntegerAssert;
-import org.assertj.core.api.AbstractLongAssert;
-import org.assertj.core.api.NumberAssert;
-
-public final class AssertjIsOne {
-
-    @BeforeTemplate
-    public AbstractIntegerAssert<?> before(AbstractIntegerAssert<?> input) {
-        return input.isEqualTo(1);
-    }
-
-    @BeforeTemplate
-    public AbstractLongAssert<?> before(AbstractLongAssert<?> input) {
-        return input.isEqualTo(1L);
-    }
-
-    @BeforeTemplate
-    public AbstractDoubleAssert<?> before(AbstractDoubleAssert<?> input) {
-        return input.isEqualTo(1D);
-    }
-
-    @BeforeTemplate
-    public AbstractFloatAssert<?> before(AbstractFloatAssert<?> input) {
-        return input.isEqualTo(1f);
-    }
-
-    @BeforeTemplate
-    public AbstractDoubleAssert<?> beforeWithDecimal(AbstractDoubleAssert<?> input) {
-        return input.isEqualTo(1.0D);
-    }
-
-    @BeforeTemplate
-    public AbstractFloatAssert<?> beforeWithDecimal(AbstractFloatAssert<?> input) {
-        return input.isEqualTo(1.0);
-    }
-
-    @AfterTemplate
-    public NumberAssert<?, ?> after(NumberAssert<?, ?> input) {
-        return input.isOne();
-    }
-}
diff --git a/baseline-refaster-rules/src/test/java/com/palantir/baseline/refaster/AssertjIsOneTest.java b/baseline-refaster-rules/src/test/java/com/palantir/baseline/refaster/AssertjIsOneTest.java
deleted file mode 100644
index 8f5a0d766..000000000
--- a/baseline-refaster-rules/src/test/java/com/palantir/baseline/refaster/AssertjIsOneTest.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * (c) Copyright 2019 Palantir Technologies Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.palantir.baseline.refaster;
-
-import static org.assertj.core.api.Assumptions.assumeThat;
-
-import org.junit.Test;
-
-public class AssertjIsOneTest {
-
-    @Test
-    public void test() {
-        assumeThat(System.getProperty("java.specification.version"))
-                .describedAs("Refaster does not currently support fluent refactors on java 11")
-                .isEqualTo("1.8");
-        RefasterTestHelper
-                .forRefactoring(AssertjIsOne.class)
-                .withInputLines(
-                        "Test",
-                        "import static org.assertj.core.api.Assertions.assertThat;",
-                        "import java.util.List;",
-                        "public class Test {",
-                        "  void f(List<String> in, int i, double d, float f, long l) {",
-                        "    assertThat(in.size()).isEqualTo(1);",
-                        "    assertThat(i).isEqualTo(1);",
-                        "    assertThat(d).isEqualTo(1);",
-                        "    assertThat(d).isEqualTo(1D);",
-                        "    assertThat(d).isEqualTo(1.0D);",
-                        "    assertThat(f).isEqualTo(1);",
-                        "    assertThat(f).isEqualTo(1.0);",
-                        "    assertThat(l).isEqualTo(1);",
-                        "    assertThat(l).isEqualTo(1L);",
-                        "  }",
-                        "}")
-                .hasOutputLines(
-                        "import static org.assertj.core.api.Assertions.assertThat;",
-                        "import java.util.List;",
-                        "public class Test {",
-                        "  void f(List<String> in, int i, double d, float f, long l) {",
-                        "    assertThat(in.size()).isOne();",
-                        "    assertThat(i).isOne();",
-                        "    assertThat(d).isOne();",
-                        "    assertThat(d).isOne();",
-                        "    assertThat(d).isOne();",
-                        "    assertThat(f).isOne();",
-                        "    assertThat(f).isOne();",
-                        "    assertThat(l).isOne();",
-                        "    assertThat(l).isOne();",
-                        "  }",
-                        "}");
-    }
-
-}
diff --git a/changelog/@unreleased/pr-917.v2.yml b/changelog/@unreleased/pr-917.v2.yml
new file mode 100644
index 000000000..4d1d5867d
--- /dev/null
+++ b/changelog/@unreleased/pr-917.v2.yml
@@ -0,0 +1,5 @@
+type: improvement
+improvement:
+  description: Remove refaster AssertjIsOne rule.
+  links:
+  - https://github.com/palantir/gradle-baseline/pull/917