diff --git a/packages/@glimmer/compiler/.npmignore b/packages/@glimmer/compiler/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/compiler/.npmignore
+++ b/packages/@glimmer/compiler/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/debug/.npmignore b/packages/@glimmer/debug/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/debug/.npmignore
+++ b/packages/@glimmer/debug/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/destroyable/.npmignore b/packages/@glimmer/destroyable/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/destroyable/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/dom-change-list/.npmignore b/packages/@glimmer/dom-change-list/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/dom-change-list/.npmignore
+++ b/packages/@glimmer/dom-change-list/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/encoder/.npmignore b/packages/@glimmer/encoder/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/encoder/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/global-context/.npmignore b/packages/@glimmer/global-context/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/global-context/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/manager/.npmignore b/packages/@glimmer/manager/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/manager/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/node/.npmignore b/packages/@glimmer/node/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/node/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/opcode-compiler/.npmignore b/packages/@glimmer/opcode-compiler/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/opcode-compiler/.npmignore
+++ b/packages/@glimmer/opcode-compiler/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/owner/.npmignore b/packages/@glimmer/owner/.npmignore
new file mode 100644
index 0000000000..8a585dcea7
--- /dev/null
+++ b/packages/@glimmer/owner/.npmignore
@@ -0,0 +1,2 @@
+test/
+index.ts
diff --git a/packages/@glimmer/program/.npmignore b/packages/@glimmer/program/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/program/.npmignore
+++ b/packages/@glimmer/program/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/reference/.npmignore b/packages/@glimmer/reference/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/reference/.npmignore
+++ b/packages/@glimmer/reference/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/runtime/.npmignore b/packages/@glimmer/runtime/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/runtime/.npmignore
+++ b/packages/@glimmer/runtime/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/syntax/.npmignore b/packages/@glimmer/syntax/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/syntax/.npmignore
+++ b/packages/@glimmer/syntax/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/util/.npmignore b/packages/@glimmer/util/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/util/.npmignore
+++ b/packages/@glimmer/util/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/validator/.npmignore b/packages/@glimmer/validator/.npmignore
index 65e3ba2eda..8a585dcea7 100644
--- a/packages/@glimmer/validator/.npmignore
+++ b/packages/@glimmer/validator/.npmignore
@@ -1 +1,2 @@
 test/
+index.ts
diff --git a/packages/@glimmer/vm-babel-plugins/.npmignore b/packages/@glimmer/vm-babel-plugins/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/vm-babel-plugins/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/vm/.npmignore b/packages/@glimmer/vm/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/vm/.npmignore
@@ -0,0 +1 @@
+index.ts
diff --git a/packages/@glimmer/wire-format/.npmignore b/packages/@glimmer/wire-format/.npmignore
new file mode 100644
index 0000000000..1e21beece3
--- /dev/null
+++ b/packages/@glimmer/wire-format/.npmignore
@@ -0,0 +1 @@
+index.ts