1 files changed, 6 insertions, 11 deletions

diff --git a/src/libstore/profiles.cc b/src/libstore/profiles.cc
index e6300cf05..44c3c6e0d 100644
--- a/src/libstore/profiles.cc
+++ b/src/libstore/profiles.cc
@@ -157,15 +157,10 @@ void deleteGenerations(const Path & profile, const std::set<unsigned int> & gens
     }
 }
 
-void deleteGenerationsGreaterThan(const Path & profile, const string & max, bool dryRun)
+void deleteGenerationsGreaterThan(const Path & profile, int max, bool dryRun)
 {
     int max_keep = 0;
     PathLocks lock;
-    if(max.size() < 2)
-     throw Error(format("invalid number of generations ‘%1%’") % max);
-    string str_max = string(max, 1, max.size());
-    if (!string2Int(str_max, max_keep) || max_keep == 0)
-      throw Error(format("invalid number of generations to keep ‘%1%’") % max);
 
     lockProfile(lock, profile);
 
@@ -173,11 +168,11 @@ void deleteGenerationsGreaterThan(const Path & profile, const string & max, bool
     Generations gens = findGenerations(profile, curGen);
 
     for (auto i = gens.rbegin(); i != gens.rend(); ++i) {
-      if (max_keep) {
-	max_keep--;
-	continue;
-      }
-      deleteGeneration2(profile, i->number, dryRun);
+        if (max) {
+            max--;
+            continue;
+        }
+        deleteGeneration2(profile, i->number, dryRun);
     }
 }