diff --git a/packages/babel-plugin-transform-class-properties/src/index.js b/packages/babel-plugin-transform-class-properties/src/index.js
index eb6ab6cad8..de42c134a2 100644
--- a/packages/babel-plugin-transform-class-properties/src/index.js
+++ b/packages/babel-plugin-transform-class-properties/src/index.js
@@ -12,6 +12,9 @@ export default function({ types: t }) {
   };
 
   const referenceVisitor = {
+    TypeAnnotation(path) {
+      path.skip();
+    },
     ReferencedIdentifier(path) {
       if (this.scope.hasOwnBinding(path.node.name)) {
         this.collision = true;
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/actual.js b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/actual.js
new file mode 100644
index 0000000000..593242cde2
--- /dev/null
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/actual.js
@@ -0,0 +1,6 @@
+class C {
+    // Output should not use `_initialiseProps`
+    x: T;
+    y = 0;
+    constructor(T) {}
+}
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/expected.js b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/expected.js
new file mode 100644
index 0000000000..18cbcb0e7e
--- /dev/null
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/expected.js
@@ -0,0 +1,7 @@
+class C {
+  // Output should not use `_initialiseProps`
+  constructor(T) {
+    this.y = 0;
+  }
+
+}
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/options.json b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/options.json
new file mode 100644
index 0000000000..0bdc0309c5
--- /dev/null
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/compile-to-class/constructor-collision-ignores-types/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-typescript", "transform-class-properties"]
+}