diff --git a/modoboa_installer/compatibility_matrix.py b/modoboa_installer/compatibility_matrix.py
index f610124..f1db5f9 100644
--- a/modoboa_installer/compatibility_matrix.py
+++ b/modoboa_installer/compatibility_matrix.py
@@ -21,13 +21,14 @@ COMPATIBILITY_MATRIX = {
         "modoboa-sievefilters": ">=1.1.1",
         "modoboa-webmail": ">=1.2.0",
     },
-    "2.1.0": {
-        "modoboa-pdfcredentials": None,
-        "modoboa-dmarc": None,
-        "modoboa-imap-migration": None,
-    },
 }
 
 EXTENSIONS_AVAILABILITY = {
     "modoboa-contacts": "1.7.4",
 }
+
+REMOVED_EXTENSIONS = {
+    "modoboa-pdfcredentials": "2.1.0",
+    "modoboa-dmarc": "2.1.0",
+    "modoboa-imap-migration": "2.1.0"
+}
diff --git a/modoboa_installer/scripts/modoboa.py b/modoboa_installer/scripts/modoboa.py
index a2eab3a..a76b920 100644
--- a/modoboa_installer/scripts/modoboa.py
+++ b/modoboa_installer/scripts/modoboa.py
@@ -99,6 +99,16 @@ class Modoboa(base.Installer):
         if sys.version_info.major == 2 and sys.version_info.micro < 9:
             # Add extra packages to fix the SNI issue
             packages += ["pyOpenSSL"]
+        for extension in list(self.extensions):
+            if extension in compatibility_matrix.REMOVED_EXTENSIONS.keys():
+                modoboa_version = self.config.get("modoboa", "version")
+                if modoboa_version != "latest":
+                    max_version = utils.convert_version_to_int(
+                        compatibility_matrix.REMOVED_EXTENSIONS[extension])
+                    modoboa_v_int = utils.convert_version_to_int(modoboa_version)
+                    if modoboa_v_int < max_version:
+                        continue
+                self.extensions.remove(extension)
         python.install_packages(
             packages, self.venv_path,
             upgrade=self.upgrade,