diff --git a/acme/.readthedocs.yaml b/acme/.readthedocs.yaml
index 2100edc53..1373ba8f3 100644
--- a/acme/.readthedocs.yaml
+++ b/acme/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-cloudflare/.readthedocs.yaml b/certbot-dns-cloudflare/.readthedocs.yaml
index 052cb36ab..b771c4dc2 100644
--- a/certbot-dns-cloudflare/.readthedocs.yaml
+++ b/certbot-dns-cloudflare/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-digitalocean/.readthedocs.yaml b/certbot-dns-digitalocean/.readthedocs.yaml
index cb1a28853..978ff17b0 100644
--- a/certbot-dns-digitalocean/.readthedocs.yaml
+++ b/certbot-dns-digitalocean/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-dnsimple/.readthedocs.yaml b/certbot-dns-dnsimple/.readthedocs.yaml
index 88253a298..b3418f3b3 100644
--- a/certbot-dns-dnsimple/.readthedocs.yaml
+++ b/certbot-dns-dnsimple/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-dnsmadeeasy/.readthedocs.yaml b/certbot-dns-dnsmadeeasy/.readthedocs.yaml
index da18e15f4..b3be7b3a8 100644
--- a/certbot-dns-dnsmadeeasy/.readthedocs.yaml
+++ b/certbot-dns-dnsmadeeasy/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-gehirn/.readthedocs.yaml b/certbot-dns-gehirn/.readthedocs.yaml
index 332099d39..5c42c23c7 100644
--- a/certbot-dns-gehirn/.readthedocs.yaml
+++ b/certbot-dns-gehirn/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-google/.readthedocs.yaml b/certbot-dns-google/.readthedocs.yaml
index 67611e01b..9a36ea0e4 100644
--- a/certbot-dns-google/.readthedocs.yaml
+++ b/certbot-dns-google/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-linode/.readthedocs.yaml b/certbot-dns-linode/.readthedocs.yaml
index 97865168a..da324c78f 100644
--- a/certbot-dns-linode/.readthedocs.yaml
+++ b/certbot-dns-linode/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-luadns/.readthedocs.yaml b/certbot-dns-luadns/.readthedocs.yaml
index e995d0645..1aec4af3f 100644
--- a/certbot-dns-luadns/.readthedocs.yaml
+++ b/certbot-dns-luadns/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-nsone/.readthedocs.yaml b/certbot-dns-nsone/.readthedocs.yaml
index 737c067dd..a4a1535e0 100644
--- a/certbot-dns-nsone/.readthedocs.yaml
+++ b/certbot-dns-nsone/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-ovh/.readthedocs.yaml b/certbot-dns-ovh/.readthedocs.yaml
index 2b5558170..70884021e 100644
--- a/certbot-dns-ovh/.readthedocs.yaml
+++ b/certbot-dns-ovh/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-rfc2136/.readthedocs.yaml b/certbot-dns-rfc2136/.readthedocs.yaml
index 66683678a..6bb266daf 100644
--- a/certbot-dns-rfc2136/.readthedocs.yaml
+++ b/certbot-dns-rfc2136/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-route53/.readthedocs.yaml b/certbot-dns-route53/.readthedocs.yaml
index 73b5a6602..4a71ca8c3 100644
--- a/certbot-dns-route53/.readthedocs.yaml
+++ b/certbot-dns-route53/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot-dns-sakuracloud/.readthedocs.yaml b/certbot-dns-sakuracloud/.readthedocs.yaml
index 3a3a940c6..bb0914d58 100644
--- a/certbot-dns-sakuracloud/.readthedocs.yaml
+++ b/certbot-dns-sakuracloud/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub
diff --git a/certbot/.readthedocs.yaml b/certbot/.readthedocs.yaml
index c2c68ea0d..95876831b 100644
--- a/certbot/.readthedocs.yaml
+++ b/certbot/.readthedocs.yaml
@@ -28,4 +28,3 @@ sphinx:
 # Optionally build your docs in additional formats such as PDF and ePub
 formats:
    - pdf
-   - epub