diff --git a/CMakeLists.txt b/CMakeLists.txt
index 435ba77a..ac7c9baf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -100,14 +100,29 @@ if(BUILD_OUT_OF_TREE)
 
   find_package(CURL REQUIRED)
   include_directories("${CURL_INCLUDE_DIRS}")
+
+  # Backwards compatability with older OBS versions
+  if(LibObs_VERSION_MAJOR GREATER_EQUAL 27)
+    add_definitions(-DVCAM_SUPPORTED)
+  else()
+    message(
+      WARNING
+        "OBS version ${LibObs_VERSION_MAJOR} found - disabling virtual camera functionality"
+    )
+  endif()
+  if(LibObs_VERSION_MAJOR GREATER_EQUAL 26)
+    add_definitions(-DREPLAYBUFFER_SUPPORTED)
+  else()
+    message(
+      WARNING
+        "OBS version ${LibObs_VERSION_MAJOR} found - disabling replay buffer functionality"
+    )
+  endif()
 else()
   find_package(Libcurl REQUIRED)
   include_directories("${LIBCURL_INCLUDE_DIRS}")
-endif()
-
-# Backwards compatability with older OBS versions
-if(LibObs_VERSION_MAJOR GREATER_EQUAL 27 OR NOT LibObs_VERSION_MAJOR)
   add_definitions(-DVCAM_SUPPORTED)
+  add_definitions(-DREPLAYBUFFER_SUPPORTED)
 endif()
 
 # Platform specific settings
diff --git a/src/advanced-scene-switcher.cpp b/src/advanced-scene-switcher.cpp
index f491f90b..84be78aa 100644
--- a/src/advanced-scene-switcher.cpp
+++ b/src/advanced-scene-switcher.cpp
@@ -579,9 +579,11 @@ static void OBSEvent(enum obs_frontend_event event, void *switcher)
 	case OBS_FRONTEND_EVENT_STREAMING_STOPPED:
 		resetLiveTime();
 		break;
+#ifdef REPLAYBUFFER_SUPPORTED
 	case OBS_FRONTEND_EVENT_REPLAY_BUFFER_SAVED:
 		setReplayBufferSaved();
 		break;
+#endif
 	default:
 		break;
 	}
diff --git a/src/headers/macro-action-replay-buffer.hpp b/src/headers/macro-action-replay-buffer.hpp
index 91f1f75d..402003be 100644
--- a/src/headers/macro-action-replay-buffer.hpp
+++ b/src/headers/macro-action-replay-buffer.hpp
@@ -1,3 +1,5 @@
+#ifdef REPLAYBUFFER_SUPPORTED
+
 #pragma once
 #include "macro-action-edit.hpp"
 #include "duration-control.hpp"
@@ -65,3 +67,5 @@ private:
 	QHBoxLayout *_mainLayout;
 	bool _loading = true;
 };
+
+#endif
diff --git a/src/headers/macro-condition-replay-buffer.hpp b/src/headers/macro-condition-replay-buffer.hpp
index 88702aae..1d0aa6ee 100644
--- a/src/headers/macro-condition-replay-buffer.hpp
+++ b/src/headers/macro-condition-replay-buffer.hpp
@@ -1,3 +1,5 @@
+#ifdef REPLAYBUFFER_SUPPORTED
+
 #pragma once
 #include "macro.hpp"
 #include <QWidget>
@@ -54,3 +56,5 @@ protected:
 private:
 	bool _loading = true;
 };
+
+#endif
diff --git a/src/macro-action-replay-buffer.cpp b/src/macro-action-replay-buffer.cpp
index d0351766..ab2e0968 100644
--- a/src/macro-action-replay-buffer.cpp
+++ b/src/macro-action-replay-buffer.cpp
@@ -1,3 +1,5 @@
+#ifdef REPLAYBUFFER_SUPPORTED
+
 #include "headers/macro-action-replay-buffer.hpp"
 #include "headers/advanced-scene-switcher.hpp"
 #include "headers/utility.hpp"
@@ -119,3 +121,5 @@ void MacroActionReplayBufferEdit::ActionChanged(int value)
 	std::lock_guard<std::mutex> lock(switcher->m);
 	_entryData->_action = static_cast<ReplayBufferAction>(value);
 }
+
+#endif
diff --git a/src/macro-condition-replay-buffer.cpp b/src/macro-condition-replay-buffer.cpp
index e5d39806..b1f29f1c 100644
--- a/src/macro-condition-replay-buffer.cpp
+++ b/src/macro-condition-replay-buffer.cpp
@@ -1,3 +1,5 @@
+#ifdef REPLAYBUFFER_SUPPORTED
+
 #include "headers/macro-condition-edit.hpp"
 #include "headers/macro-condition-replay-buffer.hpp"
 #include "headers/utility.hpp"
@@ -106,3 +108,5 @@ void MacroConditionReplayBufferEdit::UpdateEntryData()
 
 	_state->setCurrentIndex(static_cast<int>(_entryData->_state));
 }
+
+#endif
diff --git a/src/scene-trigger.cpp b/src/scene-trigger.cpp
index 59351e0c..ab56fcba 100644
--- a/src/scene-trigger.cpp
+++ b/src/scene-trigger.cpp
@@ -185,18 +185,22 @@ void frontEndActionThread(sceneTriggerAction action, double delay)
 	case sceneTriggerAction::STOP_STREAMING:
 		obs_frontend_streaming_stop();
 		break;
+#ifdef REPLAYBUFFER_SUPPORTED
 	case sceneTriggerAction::START_REPLAY_BUFFER:
 		obs_frontend_replay_buffer_start();
 		break;
 	case sceneTriggerAction::STOP_REPLAY_BUFFER:
 		obs_frontend_replay_buffer_stop();
 		break;
+#endif
+#ifdef VCAM_SUPPORTED
 	case sceneTriggerAction::START_VCAM:
 		obs_frontend_start_virtualcam();
 		break;
 	case sceneTriggerAction::STOP_VCAM:
 		obs_frontend_stop_virtualcam();
 		break;
+#endif
 	default:
 		blog(LOG_WARNING, "ignoring unexpected frontend action '%d'",
 		     static_cast<int>(action));