diff a/dhall-lang/tests/import/failure/referentiallyInsane.dhall b/dhall-lang/tests/import/failure/referentiallyInsane.dhall
--- a/dhall-lang/tests/import/failure/referentiallyInsane.dhall
+++ /dev/null
@@ -1,13 +0,0 @@
-{- The following remote import attempts to import an environment variable, which
-   must be disallowed by the referential sanity check
-
-   One reason for doing this is to protect against remote imports exfiltrating
-   environment variables (such as via custom headers).  Only referentially
-   opaque imports (i.e. local imports) have permission to refer to other
-   referentially opaque imports in order to protect against this attack.
-
-   The referential sanity check also ensures that remote imports are
-   referentially transparent.  Or in other words, any import that is globally
-   addressable must have a meaning that is not context-sensitive.
--}
-https://raw.githubusercontent.com/dhall-lang/dhall-lang/master/tests/import/data/referentiallyOpaque.dhall
diff a/dhall-lang/tests/import/success/customHeadersA.dhall b/dhall-lang/tests/import/success/customHeadersA.dhall
--- a/dhall-lang/tests/import/success/customHeadersA.dhall
+++ /dev/null
@@ -1,3 +0,0 @@
-https://httpbin.org/user-agent
-  using [ { mapKey = "User-Agent", mapValue = "Dhall" } ]
-  as Text
diff a/dhall-lang/tests/import/success/noHeaderForwardingA.dhall b/dhall-lang/tests/import/success/noHeaderForwardingA.dhall
--- a/dhall-lang/tests/import/success/noHeaderForwardingA.dhall
+++ /dev/null
@@ -1,6 +0,0 @@
-{- The purpose of this test is to verify that the custom headers supplied to
-   this import are not forwarded to the transitive import of
-   https://httpbin.org/user-agent
--}
-https://raw.githubusercontent.com/dhall-lang/dhall-lang/master/tests/import/success/customHeadersA.dhall
-  using [ { mapKey = "User-Agent", mapValue = "Secret" } ]
diff a/dhall-lang/tests/import/success/unit/RemoteAsTextA.dhall b/dhall-lang/tests/import/success/unit/RemoteAsTextA.dhall
--- a/dhall-lang/tests/import/success/unit/RemoteAsTextA.dhall
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/dhall-lang/dhall-lang/0b983b92aa2222dc3e292c20550ee37dea3f41df/tests/import/data/example.txt as Text
diff a/dhall-lang/tests/import/success/unit/SimpleRemoteA.dhall b/dhall-lang/tests/import/success/unit/SimpleRemoteA.dhall
--- a/dhall-lang/tests/import/success/unit/SimpleRemoteA.dhall
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/dhall-lang/dhall-lang/0b983b92aa2222dc3e292c20550ee37dea3f41df/tests/import/data/simple.dhall
diff a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain1A.dhall b/dhall-lang/tests/import/success/unit/asLocation/RemoteChain1A.dhall
--- a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain1A.dhall
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/dhall-lang/dhall-lang/0b983b92aa2222dc3e292c20550ee37dea3f41df/tests/import/data/simpleLocation.dhall
diff a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain2A.dhall b/dhall-lang/tests/import/success/unit/asLocation/RemoteChain2A.dhall
--- a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain2A.dhall
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/Nadrieril/dhall-rust/f7d8c64a9799f139ad65427c2518376adb9e2e2f/dhall/tests/import/success/unit/asLocation/Canonicalize3A.dhall
diff a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain3A.dhall b/dhall-lang/tests/import/success/unit/asLocation/RemoteChain3A.dhall
--- a/dhall-lang/tests/import/success/unit/asLocation/RemoteChain3A.dhall
+++ /dev/null
@@ -1 +0,0 @@
-https://raw.githubusercontent.com/Nadrieril/dhall-rust/f7d8c64a9799f139ad65427c2518376adb9e2e2f/dhall/tests/import/success/unit/asLocation/Canonicalize5A.dhall
diff a/dhall-lang/tests/import/success/unit/asLocation/RemoteChainEnvA.dhall b/dhall-lang/tests/import/success/unit/asLocation/RemoteChainEnvA.dhall
--- a/dhall-lang/tests/import/success/unit/asLocation/RemoteChainEnvA.dhall
+++ /dev/null
@@ -1,5 +0,0 @@
-{-
-    This test verifies that `env:VAR as Location` isn't rejected as referentially opaque,
-    as `env:VAR` on its own would.
--}
-https://raw.githubusercontent.com/Nadrieril/dhall-rust/f7d8c64a9799f139ad65427c2518376adb9e2e2f/dhall/tests/import/success/unit/asLocation/EnvA.dhall
diff a/dhall-lang/tests/import/success/unit/asLocation/RemoteChainMissingA.dhall b/dhall-lang/tests/import/success/unit/asLocation/RemoteChainMissingA.dhall
--- a/dhall-lang/tests/import/success/unit/asLocation/RemoteChainMissingA.dhall
+++ /dev/null
@@ -1,6 +0,0 @@
-{- This test verifies that `missing as Location` succeeds when chained since:
-   * The `missing` is never actually resolved (due to the `as Location`)
-   * The `missing` should be treated as referentially transparent (and therefore
-     be a valid transitive dependency of a remote import)
--}
-https://raw.githubusercontent.com/Nadrieril/dhall-rust/f7d8c64a9799f139ad65427c2518376adb9e2e2f/dhall/tests/import/success/unit/asLocation/MissingA.dhall
diff a/dhall-lang/tests/type-inference/success/CacheImportsA.dhall b/dhall-lang/tests/type-inference/success/CacheImportsA.dhall
--- a/dhall-lang/tests/type-inference/success/CacheImportsA.dhall
+++ /dev/null
@@ -1,6 +0,0 @@
-{-
-    This URL returns (probably) a different result for each request. This test
-    ensures that import results for a given URL are correctly cached within an
-    execution of dhall.
--}
-let _ = assert : https://csrng.net/csrng/csrng.php?min=0&max=1000 as Text === https://csrng.net/csrng/csrng.php?min=0&max=1000 as Text in 0
diff a/dhall-lang/tests/type-inference/success/CacheImportsCanonicalizeA.dhall b/dhall-lang/tests/type-inference/success/CacheImportsCanonicalizeA.dhall
--- a/dhall-lang/tests/type-inference/success/CacheImportsCanonicalizeA.dhall
+++ /dev/null
@@ -1,5 +0,0 @@
-{-
-    This URL returns (probably) a different result for each request. This test
-    ensures that import locations are canonicalized before being cached.
--}
-let _ = assert : https://csrng.net/csrng/csrng.php?min=0&max=1000 as Text === https://csrng.net/csrng/../csrng/csrng.php?min=0&max=1000 as Text in 0