diff --git a/README.md b/README.md
index d58d8fa..b777edc 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,6 @@ dbGaP is the Database of Genotypes and Phenotypes.
FHIR is HL7's REST API standard for electronic medical data.
- [**Quickstart**](quickstart.md)
-- [**Mapping dbGaP concepts to FHIR concepts**](https://dbgap-api-preview.ncbi.nlm.nih.gov/fhir-mapping/interactive/)
- - Note: this mapping will be retired and replaced by alternate documentation in future
- [**Notebooks**](jupyter)
## Prerequisites
@@ -40,8 +38,7 @@ ever come.
If you report a bug or request a feature, it will probably be overlooked
and neglected.
-- The CSV download for the interactive concept mapping does
- not handle quoting correctly. You'll need to hand-edit it.
+- There is no documentation showing how the dbGaP submitted resources map to FHIR resources.
- If you have a query that returns after 20 seconds with an error that looks
like the below:
diff --git a/quickstart.md b/quickstart.md
index e07efe1..96ecf9d 100644
--- a/quickstart.md
+++ b/quickstart.md
@@ -1,6 +1,6 @@
# Location
-The dbGaP FHIR API is available at [http://dbgap-api.ncbi.nlm.nih.gov/fhir/x1](http://dbgap-api.ncbi.nlm.nih.gov/fhir/x1). It is a standard FHIR API. The documentation for FHIR is at . This guide is just a quick-start. We have documented how dbGaP concepts map to FHIR resources at [https://dbgap-api.ncbi.nlm.nih.gov/fhir-mapping/interactive](https://dbgap-api.ncbi.nlm.nih.gov/fhir-mapping/interactive).
+The dbGaP FHIR API is available at [http://dbgap-api.ncbi.nlm.nih.gov/fhir/x1](http://dbgap-api.ncbi.nlm.nih.gov/fhir/x1). It is a standard FHIR API. The documentation for FHIR is at . This guide is just a quick-start.
## Follow Along with Postman
Postman is an API testing application you can [download for free](https://www.postman.com/downloads/).