diff --git a/Sources/ComposableArchitecture/Effect.swift b/Sources/ComposableArchitecture/Effect.swift
index a01a8746767e..009e2bf5d15e 100644
--- a/Sources/ComposableArchitecture/Effect.swift
+++ b/Sources/ComposableArchitecture/Effect.swift
@@ -98,20 +98,16 @@ extension Effect {
               return
             } catch {
               guard let handler else {
-                #if DEBUG
-                  var errorDump = ""
-                  customDump(error, to: &errorDump, indent: 4)
-                  runtimeWarn(
-                    """
-                    An "Effect.run" returned from "\(fileID):\(line)" threw an unhandled error. …
+                runtimeWarn(
+                  """
+                  An "Effect.run" returned from "\(fileID):\(line)" threw an unhandled error. …
 
-                    \(errorDump)
+                  \(String(customDumping: error).indent(by: 4))
 
-                    All non-cancellation errors must be explicitly handled via the "catch" parameter \
-                    on "Effect.run", or via a "do" block.
-                    """
-                  )
-                #endif
+                  All non-cancellation errors must be explicitly handled via the "catch" parameter \
+                  on "Effect.run", or via a "do" block.
+                  """
+                )
                 return
               }
               await handler(error, send)
diff --git a/Sources/ComposableArchitecture/Reducer/Reducers/IfCaseLetReducer.swift b/Sources/ComposableArchitecture/Reducer/Reducers/IfCaseLetReducer.swift
index b5ecaf830fcf..1ee9c56bd2fb 100644
--- a/Sources/ComposableArchitecture/Reducer/Reducers/IfCaseLetReducer.swift
+++ b/Sources/ComposableArchitecture/Reducer/Reducers/IfCaseLetReducer.swift
@@ -191,19 +191,15 @@ public struct _IfCaseLetReducer<Parent: Reducer, Child: Reducer>: Reducer {
     guard let childAction = self.toChildAction.extract(from: action)
     else { return .none }
     guard var childState = self.toChildState.extract(from: state) else {
-      var actionDump = ""
-      customDump(action, to: &actionDump, indent: 4)
-      var stateDump = ""
-      customDump(state, to: &stateDump, indent: 4)
       runtimeWarn(
         """
         An "ifCaseLet" at "\(self.fileID):\(self.line)" received a child action when child state \
         was set to a different case. …
 
           Action:
-        \(actionDump)
+        \(String(customDumping: action).indent(by: 4))
           State:
-        \(stateDump)
+        \(String(customDumping: state).indent(by: 4))
 
         This is generally considered an application logic error, and can happen for a few reasons:
 
diff --git a/Sources/ComposableArchitecture/Reducer/Reducers/IfLetReducer.swift b/Sources/ComposableArchitecture/Reducer/Reducers/IfLetReducer.swift
index 4b848acd09b1..14dbc85edd21 100644
--- a/Sources/ComposableArchitecture/Reducer/Reducers/IfLetReducer.swift
+++ b/Sources/ComposableArchitecture/Reducer/Reducers/IfLetReducer.swift
@@ -256,15 +256,13 @@ public struct _IfLetReducer<Parent: Reducer, Child: Reducer>: Reducer {
     guard let childAction = self.toChildAction.extract(from: action)
     else { return .none }
     guard state[keyPath: self.toChildState] != nil else {
-      var actionDump = ""
-      customDump(action, to: &actionDump, indent: 4)
       runtimeWarn(
         """
         An "ifLet" at "\(self.fileID):\(self.line)" received a child action when child state was \
         "nil". …
 
           Action:
-        \(actionDump)
+        \(String(customDumping: action).indent(by: 4))
 
         This is generally considered an application logic error, and can happen for a few reasons: