diff --git a/app/lib/activitypub/activity/block.rb b/app/lib/activitypub/activity/block.rb
index 90477bf3369dca..9c708659fe786b 100644
--- a/app/lib/activitypub/activity/block.rb
+++ b/app/lib/activitypub/activity/block.rb
@@ -12,6 +12,7 @@ def perform
     end
 
     UnfollowService.new.call(target_account, @account) if target_account.following?(@account)
+    UnsubscribeAccountService.new.call(target_account, @account, :all)
 
     @account.block!(target_account, uri: @json['id']) unless delete_arrived_first?(@json['id'])
   end
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index 76d090762cc196..20fa6fb85ead94 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -299,6 +299,7 @@ def filter_from_home?(status, receiver_id, crutches)
     end
 
     return true if check_for_blocks.any? { |target_account_id| crutches[:blocking][target_account_id] || crutches[:muting][target_account_id] }
+    return true if crutches[:blocked_by][status.account_id]
 
     if status.reblog?                                                                                                            # Filter out a reblog
       should_filter   = crutches[:hiding_reblogs][status.account_id]                                                             # if the reblogger's reblogs are suppressed
@@ -520,7 +521,7 @@ def build_crutches(receiver_id, statuses)
     crutches[:muting]            = Mute.where(account_id: receiver_id, target_account_id: check_for_blocks).pluck(:target_account_id).each_with_object({}) { |id, mapping| mapping[id] = true }
     crutches[:domain_blocking]   = AccountDomainBlock.where(account_id: receiver_id, domain: statuses.map { |s| s.account&.domain }.compact).pluck(:domain).each_with_object({}) { |domain, mapping| mapping[domain] = true }
     crutches[:domain_blocking_r] = AccountDomainBlock.where(account_id: receiver_id, domain: statuses.map { |s| s.reblog&.account&.domain }.compact).pluck(:domain).each_with_object({}) { |domain, mapping| mapping[domain] = true }
-    crutches[:blocked_by]        = Block.where(target_account_id: receiver_id, account_id: statuses.map { |s| s.reblog&.account_id }.compact).pluck(:account_id).each_with_object({}) { |id, mapping| mapping[id] = true }
+    crutches[:blocked_by]        = Block.where(target_account_id: receiver_id, account_id: statuses.flat_map { |s| [s&.account_id, s.reblog&.account_id] }.compact).pluck(:account_id).each_with_object({}) { |id, mapping| mapping[id] = true }
     crutches[:following_tag_by]  = FollowTag.where(account_id: receiver_id, tag: statuses.map { |s| s.tags }.flatten.uniq.compact).pluck(:tag_id).each_with_object({}) { |tag_id, mapping| mapping[tag_id] = true }
     crutches[:domain_subscribe]  = DomainSubscribe.where(account_id: receiver_id, list_id: nil, domain: statuses.map { |s| s&.account&.domain }.compact).pluck(:domain).each_with_object({}) { |domain, mapping| mapping[domain] = true }
     crutches[:account_subscribe] = AccountSubscribe.where(account_id: receiver_id, target_account_id: statuses.map(&:account_id).compact).pluck(:target_account_id).each_with_object({}) { |id, mapping| mapping[id] = true }
diff --git a/app/services/block_service.rb b/app/services/block_service.rb
index 266a0f4b9d0384..9deb91d76c4b26 100644
--- a/app/services/block_service.rb
+++ b/app/services/block_service.rb
@@ -9,6 +9,8 @@ def call(account, target_account)
     UnfollowService.new.call(account, target_account) if account.following?(target_account)
     UnfollowService.new.call(target_account, account) if target_account.following?(account)
     RejectFollowService.new.call(target_account, account) if target_account.requested?(account)
+    UnsubscribeAccountService.new.call(account, target_account, :all)
+    UnsubscribeAccountService.new.call(target_account, account, :all)
 
     block = account.block!(target_account)
 
diff --git a/app/services/unsubscribe_account_service.rb b/app/services/unsubscribe_account_service.rb
index 0be351325629f0..939cbe5b8b31c2 100644
--- a/app/services/unsubscribe_account_service.rb
+++ b/app/services/unsubscribe_account_service.rb
@@ -5,6 +5,13 @@ class UnsubscribeAccountService < BaseService
   # @param [Account] source_account Where to unsubscribe from
   # @param [Account] target_account Which to unsubscribe
   def call(source_account, target_account, list_id = nil)
+    if (list_id == :all)
+      AccountSubscribe.where(account: source_account, target_account: target_account).each do |subscribe|
+        subscribe.destroy!
+        UnmergeWorker.perform_async(target_account.id, source_account.id) if subscribe.list_id.nil?
+      end
+    end
+
     subscribe = AccountSubscribe.find_by(account: source_account, target_account: target_account, list_id: list_id)
 
     return unless subscribe